/***

    wForms 2.0
    a javascript extension to web forms. 

    Build $Tue, 20 Mar 2007 15:17:28 UTC$

    THIS FILE IS AUTOMATICALLY GENERATED.  If creating patches, please
    diff against the source tree, not this file.

    Copyright (c) 2005-2007 Cedric Savarese <cedric@veerwest.com> and contributors.
    This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>
    For more information, visit: http://www.formassembly.com/wForms 

    Build script by Troels Knak-Nielsen <troelskn@gmail.com>

***/

// wForms - a javascript extension to web forms.
// see http://www.formassembly.com/wForms
// This software is licensed under the CC-GNU LGPL <http://creativecommons.org/licenses/LGPL/2.1/>

function wHELPERS() {};

// addEvent adapated from http://ejohn.org/projects/flexible-javascript-events/
// and  Andy Smith's (http://weblogs.asp.net/asmith/archive/2003/10/06/30744.aspx)
wHELPERS.prototype.addEvent = function(obj, type, fn) {
	if(!obj) { return; }
	
	if (obj.attachEvent) {
		obj['e'+type+fn] = fn;
		obj[type+fn] = function(){obj['e'+type+fn]( window.event );}
		obj.attachEvent( 'on'+type, obj[type+fn] );
	} else if(obj.addEventListener) {			
		obj.addEventListener( type,fn, false );
	} else {
		var originalHandler = obj["on" + type]; 
		if (originalHandler) { 
		  obj["on" + type] = function(e){originalHandler(e);fn(e);}; 
		} else { 
		  obj["on" + type] = fn; 
		} 
	}
}

wHELPERS.prototype.removeEvent = function(obj, type, fn) {
	if (obj.detachEvent) {
		if(obj[type+fn]) {
			obj.detachEvent( 'on'+type, obj[type+fn] );
			obj[type+fn] = null;
		}
	} else if(obj.removeEventListener)
		obj.removeEventListener( type, fn, false );
	else {
		obj["on" + type] = null;
	}
}

// Returns the event's source element 
wHELPERS.prototype.getSourceElement = function(e) {	
	if(!e) e = window.event;	
	if(e.target)
		var srcE = e.target;
	else
		var srcE = e.srcElement;
	if(!srcE) return null;
	if(srcE.nodeType == 3) srcE = srcE.parentNode; // safari weirdness		
	if(srcE.tagName.toUpperCase()=='LABEL' && e.type=='click') { 
		// when clicking a label, firefox fires the input onclick event
		// but the label remains the source of the event. In Opera and IE 
		// the source of the event is the input element. Which is the 
		// expected behavior, I suppose.		
		if(srcE.getAttribute('for')) {
			srcE = document.getElementById(srcE.getAttribute('for'));
		}
	}
	return srcE;
}

// Cancel the default execution of an event.
wHELPERS.prototype.preventEvent = function(e) {
	if (!e) e = window.event;
	if (e.preventDefault) e.preventDefault();
	else e.returnValue = false;
	return false;
}

// Cancel the propagation of the event
wHELPERS.prototype.stopPropagation = function(e) {
	if (!e) var e = window.event;
	e.cancelBubble = true;
	if (e.stopPropagation) e.stopPropagation();
}

// Generates a random ID
wHELPERS.prototype.randomId = function () {
	var seed = (new Date()).getTime();
	seed = seed.toString().substr(6);
	for (var i=0; i<6;i++)
		seed += String.fromCharCode(48 + Math.floor((Math.random()*10)));
	return "id-" + seed;
}

// Activating an Alternate Stylesheet (thx to: http://www.howtocreate.co.uk/tutorials/index.php?tut=0&part=27)
// Use this to activate a CSS Stylesheet that shouldn't be used if javascript is turned off.
// The stylesheet rel attribute should be 'alternate stylesheet'. The title attribute MUST be set.
wHELPERS.prototype.activateStylesheet = function(sheetref) {
	if(document.getElementsByTagName) {
		var ss=document.getElementsByTagName('link');
	} else if (document.styleSheets) {
		var ss = document.styleSheets;
	}
	for(var i=0;ss[i];i++ ) {
		if(ss[i].href.indexOf(sheetref) != -1) {
			ss[i].disabled = true;
			ss[i].disabled = false;			
		}
	}
}

// hasClass
wHELPERS.prototype.hasClass = function(element,className) {
	if(element && element.className) {
		if((' ' + element.className + ' ').indexOf(' ' + className +' ') != -1) {
			return true;
		}
	}
	return false;
}
wHELPERS.prototype.hasClassPrefix = function(element,className) {
	if(element && element.className) {
		if((' ' + element.className).indexOf(' ' + className) != -1) {
			return true;
		}
	}
	return false;
}
	wHELPERS.prototype.hasIdPrefix = function(element,idPrefix) {
		if(element && element.id) {
			if(element.id.indexOf(idPrefix) != -1) {
				return true;
			}
		}
		return false;
	}


// getTop / getLeft  
// Returns pixel coordinates from the top-left window corner.
wHELPERS.prototype.getTop = function(obj) {
	var cur = 0;
	if(obj.offsetParent) {		
		while(obj.offsetParent) {
			if((new wHELPERS()).getComputedStyle(obj,'position') == 'relative' ) {
				// relatively postioned element
				return cur;
			}
			cur+=obj.offsetTop;
			obj = obj.offsetParent;
		}
	}
	return cur;
}
wHELPERS.prototype.getLeft = function(obj) {
	var cur = 0;
	if(obj.offsetParent) {		
		while(obj.offsetParent) {
			if((new wHELPERS()).getComputedStyle(obj,'position') == 'relative' ) {
				// relatively postioned element
				return cur;
			}
			if((new wHELPERS()).getComputedStyle(obj,'position') == 'absolute' ) {
				// relatively postioned element
				return cur;
			}
			cur+=obj.offsetLeft;
			obj = obj.offsetParent;
		}
	}
	return cur;
}

wHELPERS.prototype.getComputedStyle = function(element, styleName) {
	if(window.getComputedStyle) {
		return window.getComputedStyle(element,"").getPropertyValue(styleName);
	} else if(element.currentStyle) {	
		return element.currentStyle[styleName];
	}
	return false;
}
// backward compatibility
	var wHelpers = wHELPERS;   


   /* 
	* MISC FUNCTIONS 
   /* ------------------------------------------------------------------------------------------ */

// Push implementation for IE5/mac
if (!Array.prototype.push) { 
	Array.prototype.push = function() { 
		for (var i = 0; i < arguments.length; ++i) { 
			this[this.length] = arguments[i]; 
		} 
		return this.length; 
	}; 
}


  if(wHELPERS) {
	  var wFORMS = { 
	  
	  debugLevel     : 0, /* 0: Inactive, 1+: Debug Level */
	  
	  helpers        : new wHELPERS(),     
	  behaviors      : {},
	  onLoadComplete : new Array(),  /* stack of functions to call once all behaviors have been applied */
	  processedForm  : null,
	  
	  onLoadHandler  : function() {
		  for(var behaviorName in  wFORMS.behaviors) {
			   wFORMS.debug('wForms/loaded behavior: ' + behaviorName);
		  }
		 
		  for (var i=0;i<document.forms.length;i++) {
			  wFORMS.debug('wForms/initialize: '+ (document.forms[i].name || document.forms[i].id) );
			  wFORMS.addBehaviors(document.forms[i]);
		  }
	  },
	  
	  addBehaviors : function (node) {
		if(!node) return;
		
		if(!node.nodeType) {
			// argument is not a node. probably an id string. 
			// (typeof not used for IE5/mac compatibility)
			node = document.getElementById(node);
		}
		if(!node || node.nodeType!=1) return;
		
		deep=(arguments.length>1)?arguments[1]:true;	

		wFORMS._addBehaviors(node, deep);					
	  },
		  
	  _addBehaviors : function (node, deep) {
		 if(node.getAttribute('rel')=='no-behavior') {
			  return false;
		 }
		 // Process element nodes only
		 if(node.nodeType == 1) { 
			  if(node.tagName == 'FORM') {
				  wFORMS.processedForm = node;
			  } 		 
			  for(var behaviorName in wFORMS.behaviors) {
				  wFORMS.behaviors[behaviorName].evaluate(node);
			  }			
			  if(deep) {
				  for (var i=0, cn=node.childNodes, l=cn.length; i<l; i++) {
				  	 if(cn[i].nodeType==1)
					 	wFORMS._addBehaviors(cn[i], deep);
				  }
			  }			  
			  if(node.tagName == 'FORM') {
				  // run the init stack
				  for (var i=0;i<wFORMS.onLoadComplete.length;i++) {
					  wFORMS.onLoadComplete[i].func(wFORMS.onLoadComplete[i].form);
				  }
				  // empty the stack					  
				  if(wFORMS.onLoadComplete.length > 0) {
					  wFORMS.onLoadComplete = new Array();
				  }
			  }
		  }
	  },
	  
	  hasBehavior: function(behaviorName) {
		  if(wFORMS.behaviors[behaviorName]) return true;
		  return false;
	  },
	  
	  /* 
	   * DEBUG FUNCTIONS 
	   * ------------------------------------------------------------------------------------------ */
	  debug : function(txt) { 
		msgLevel = arguments[1] || 10; 	// 1 = least importance, X = most important
		
		if(wFORMS.debugLevel > 0 && msgLevel >= wFORMS.debugLevel) {
			if(!wFORMS.debugOutput)
				wFORMS.initDebug();
			if(wFORMS.debugOutput)
				wFORMS.debugOutput.innerHTML += "<br />" + txt;
		}
	  },
	  
	  initDebug : function() {
		var output = document.getElementById('debugOutput');
		if(!output) {
			output = document.createElement('div');
			output.id = 'debugOutput';
			output.style.position   = 'absolute';
			output.style.right      = '10px';
			output.style.top        = '10px';
			output.style.zIndex     = '300';
			output.style.fontSize   = 'x-small';
			output.style.fontFamily = 'courier';
			output.style.backgroundColor = '#DDD';
			output.style.padding    = '5px';
			if(document.body) // if page fully loaded
				wFORMS.debugOutput = document.body.appendChild(output);
		}
		if(wFORMS.debugOutput)
			wFORMS.debugOutput.ondblclick = function() { this.innerHTML = '' };
	}
  };
  
  wFORMS.NAME     = "wForms";
  wFORMS.VERSION  = "2.0";
  wFORMS.__repr__ = function () {
	return "[" + this.NAME + " " + this.VERSION + "]";
  };
  wFORMS.toString = function () {
	return this.__repr__();
  };
 
 
  // For backward compatibility
  wFORMS.utilities = wFORMS.helpers;
  var wf           = wFORMS; 
  wf.utilities.getSrcElement				= wFORMS.helpers.getSourceElement;
  wf.utilities.XBrowserPreventEventDefault	= wFORMS.helpers.preventEvent;
  
  // Initializations:
  
  // Attach JS only stylesheet.
  wFORMS.helpers.activateStylesheet('wforms-jsonly.css');
  // Parse document and apply wForms behavior
  wFORMS.helpers.addEvent(window,'load',wFORMS.onLoadHandler);
  } 


// ------------------------------------------------------------------------------------------
// Field Hint / Tooltip Behavior
// ------------------------------------------------------------------------------------------
  
if(wFORMS) {

       // Component properties 
       wFORMS.idSuffix_fieldHint           = "-H";                     // a hint id is the associated field id (or name) plus this suffix
       wFORMS.className_inactiveFieldHint  = "field-hint-inactive";    // visual effect depends on CSS stylesheet
       wFORMS.className_activeFieldHint    = "field-hint";             // visual effect depends on CSS stylesheet
       
       
       wFORMS.behaviors['hint'] = {
           name: 'hint', 
           
		   // evaluate: check if the behavior applies to the given node. Adds event handlers if appropriate
             evaluate: function(node) {
               if(node.id) {
               	   if(node.id.indexOf(wFORMS.idSuffix_fieldHint)>0) {               	   
               	     // this looks like a field-hint. See if we have a matching field.               	    
               	     // try first with the id, then with the name attribute.
               	     var id     = node.id.replace(wFORMS.idSuffix_fieldHint, '');               	     
               	     var hinted = document.getElementById(id) || wFORMS.processedForm[id];
               	   } 
                   if(hinted) {
					   // is hint placed on a radio group using the name attribute?
					   if(hinted.length > 0 && hinted[0].type=='radio') {
						   var hintedGroup = hinted;
						   l = hinted.length;
					   } else {
						   var hintedGroup = new Array(hinted);
						   l = 1;
					   }
					   
					   for(var i=0;i<l;i++) {
						   hinted = hintedGroup[i];

						   wFORMS.debug('hint/evaluate: '+ (node.id || node.name));
						   switch(hinted.tagName.toUpperCase()) {
							   case 'SELECT': 
							   case 'TEXTAREA':						   
							   case 'INPUT':
									wFORMS.helpers.addEvent(hinted,'focus',wFORMS.behaviors['hint'].run);
									wFORMS.helpers.addEvent(hinted,'blur' ,wFORMS.behaviors['hint'].remove);
									break;
							   default:
									wFORMS.helpers.addEvent(hinted,'mouseover',wFORMS.behaviors['hint'].run);
									wFORMS.helpers.addEvent(hinted,'mouseout' ,wFORMS.behaviors['hint'].remove);
									break;
						   }
						   
					   }
                   } 
               }
           },

		   
           // run: executed when the behavior is activated
           run: function(e) {
               var element   = wFORMS.helpers.getSourceElement(e);
               var fieldHint = document.getElementById(element.id   + wFORMS.idSuffix_fieldHint);
               if(!fieldHint) // try again with the element's name attribute
                   fieldHint = document.getElementById(element.name + wFORMS.idSuffix_fieldHint);
               if(fieldHint) {
                   fieldHint.className = fieldHint.className.replace(wFORMS.className_inactiveFieldHint,
                                                                     wFORMS.className_activeFieldHint);
				   // Field Hint Absolute Positionning
				   fieldHint.style.top  =  (wFORMS.helpers.getTop(element)+ element.offsetHeight).toString() + "px";
				   if(element.tagName.toUpperCase() == 'SELECT') 
					   fieldHint.style.left =  (wFORMS.helpers.getLeft(element) + (element.offsetWidth- 8)).toString() + "px";
				   else 
					   fieldHint.style.left =  (wFORMS.helpers.getLeft(element)).toString() + "px"; /* + element.offsetWidth */
//				   wFORMS.debug('hint/run: ' + (element.id || element.name) , 5);				   
			   }
           },
		   
           // remove: executed if the behavior should not be applied anymore
           remove: function(e) {
               var element   = wFORMS.helpers.getSourceElement(e);
               var fieldHint = document.getElementById(element.id   + wFORMS.idSuffix_fieldHint);
               if(!fieldHint) // try again with the element's name attribute
                   fieldHint = document.getElementById(element.name + wFORMS.idSuffix_fieldHint);
               if(fieldHint)
                   fieldHint.className = fieldHint.className.replace(wFORMS.className_activeFieldHint,
                                                                     wFORMS.className_inactiveFieldHint);
//			   wFORMS.debug('hint/remove: ' + (element.id || element.name) , 5);				   
           }
       }
   }
// ------------------------------------------------------------------------------------------
// Form Paging Behavior
// ------------------------------------------------------------------------------------------
  
   if(wFORMS) {
		// Component properties 
		wFORMS.className_paging				= "wfPage";
		wFORMS.className_pagingCurrent		= "wfCurrentPage";
		wFORMS.className_pagingButtons		= "wfPageButton";
		wFORMS.className_hideSubmit			= "wfHideSubmit";
		wFORMS.idPrefix_pageIndex			= "wfPgIndex-";
		wFORMS.runValidationOnPageNext   	= true;
		
		if(!wFORMS.arrMsg) wFORMS.arrMsg 	= new Array();
		wFORMS.arrMsg[4] 					= "Next Page";      //arrMsg[4] for backward compatibility
		wFORMS.arrMsg[5] 					= "Previous Page";	//arrMsg[5] for backward compatibility


		wFORMS.behaviors['paging'] = {

			idSuffix_buttonsPlaceholder: "-buttons",
			className_pageNextButton: wFORMS.className_pagingButtons + " wfPageNextButton",
			className_pagePreviousButton: wFORMS.className_pagingButtons + " wfPagePreviousButton",			
			behaviorInUse : false,
			allowNestedPages: false,
			onPageChange : null, /* Function to run when the page is changed */

			// ------------------------------------------------------------------------------------------
			// evaluate: check if the behavior applies to the given node. Adds event handlers if appropriate
			// ------------------------------------------------------------------------------------------
			evaluate: function(node) {
				if (wFORMS.helpers.hasClass(node,wFORMS.className_paging)) {
					
					if(!wFORMS.behaviors['paging'].allowNestedPages && wFORMS.behaviors['paging'].getPageElement(node)) {
						// found a parent node that is also a page element. 
						// remove paging class so that the content is not hidden.
						node.className = node.className.replace(wFORMS.className_paging,"");
						return;
					}
						
					wFORMS.behaviors['paging'].behaviorInUse = true;
					
					var currentPageIndex = wFORMS.behaviors['paging'].getPageIndex(node);
					if(currentPageIndex > 1) {
						// add previous page button	
						var placeholder = this.getButtonPlaceholder(node);
						var button = placeholder.insertBefore(this.createPreviousPageButton(),placeholder.firstChild);						
						wFORMS.helpers.addEvent(button,'click',wFORMS.behaviors['paging'].pagingPrevious);						
					} else {
						// set current page class
						node.className += ' ' + wFORMS.className_pagingCurrent;
						
						// get the corresponding form element
						var form = wFORMS.behaviors['paging'].getFormElement(node);	
																									
						// prevent submission of form with enter key.
						wFORMS.helpers.addEvent(form,'submit', function(e) { var element = wFORMS.helpers.getSourceElement(e);
																			 if(element.type && element.type.toLowerCase()=='text') 
																				return wFORMS.preventEvent(e); } );
						wFORMS.preventSubmissionOnEnter = true; // for input validation behavior
						
					}
					if(document.getElementById(wFORMS.idPrefix_pageIndex+(currentPageIndex+1).toString())) {
						// add next page button	
						var placeholder = this.getButtonPlaceholder(node);
						var button = placeholder.appendChild(this.createNextPageButton());
						wFORMS.helpers.addEvent(button,'click',wFORMS.behaviors['paging'].pagingNext);	
						// hide submit button until the last page of the form is reached (do it once on the 1st page)
						if(currentPageIndex==1) {							
							wFORMS.behaviors['paging'].hideSubmitButton(form);
						}						
					}
				}
			  
			},
			getButtonPlaceholder: function(page) {
				var p = document.getElementById(page.id+this.idSuffix_buttonsPlaceholder);
				if(!p) {
					var buttonPlaceholder = document.createElement("div"); 	
					buttonPlaceholder = page.appendChild(buttonPlaceholder);	
					buttonPlaceholder.className = 'actions';
					buttonPlaceholder.id = page.id+this.idSuffix_buttonsPlaceholder;
					return buttonPlaceholder;
				}				
				return p; 
			},
			createNextPageButton: function() {						
				var button = document.createElement("input"); 
				button.setAttribute('value',wFORMS.arrMsg[4]);	
				button.setAttribute('type',"button");	
				button.className = this.className_pageNextButton;
				return button;
			},
			createPreviousPageButton: function() {
				// add previous page button			
				var button = document.createElement("input"); 
				button.setAttribute('value',wFORMS.arrMsg[5]);	
				button.setAttribute('type',"button");	
				button.className = this.className_pagePreviousButton;
				return button;
			},
						
			// ------------------------------------------------------------------------------------------
			// pagingNext
			// ------------------------------------------------------------------------------------------
			pagingNext: function(e) {
				var element  = wFORMS.helpers.getSourceElement(e);
				if(!element) element = e
				
				var pageElement     = wFORMS.behaviors['paging'].getPageElement(element);
				var pageIndex       = wFORMS.behaviors['paging'].getPageIndex(pageElement) + 1;
				var nextPageElement = document.getElementById(wFORMS.idPrefix_pageIndex+pageIndex.toString());
				
				if(nextPageElement) {
					if(!wFORMS.hasBehavior('validation') ||
					   (wFORMS.hasBehavior('validation') && !wFORMS.runValidationOnPageNext) || 
					   (wFORMS.hasBehavior('validation') &&  wFORMS.runValidationOnPageNext && wFORMS.functionName_formValidation(e, true))) {
						
						pageElement.className      = pageElement.className.replace(new RegExp(wFORMS.className_pagingCurrent,"g"),"");
						nextPageElement.className += ' ' + wFORMS.className_pagingCurrent;

						// show submit button if the last page of the form is reached
						if(wFORMS.behaviors['paging'].isLastPage(pageIndex)) {
							var form = wFORMS.behaviors['paging'].getFormElement(nextPageElement);
							wFORMS.behaviors['paging'].showSubmitButton(form);
						}
						// trigger onPageChange event						
						if(wFORMS.behaviors['paging'].onPageChange) {
							wFORMS.behaviors['paging'].onPageChange(nextPageElement);
						}
						window.scroll(0,0);
					}					
				}
			},
			
			// ------------------------------------------------------------------------------------------
			// pagingPrevious
			// ------------------------------------------------------------------------------------------				
			pagingPrevious: function(e) {
				var element  = wFORMS.helpers.getSourceElement(e);
				if(!element) element = e
 
				var pageElement         = wFORMS.behaviors['paging'].getPageElement(element);
				var pageIndex           = wFORMS.behaviors['paging'].getPageIndex(pageElement) - 1;
				var previousPageElement = document.getElementById(wFORMS.idPrefix_pageIndex+pageIndex.toString());

				if(previousPageElement) {
					pageElement.className          = pageElement.className.replace(new RegExp(wFORMS.className_pagingCurrent,"g"),"");
					previousPageElement.className += ' ' + wFORMS.className_pagingCurrent;										
															
					// hide submit button 
					var form = wFORMS.behaviors['paging'].getFormElement(previousPageElement);					
					wFORMS.behaviors['paging'].hideSubmitButton(form);
					
					// trigger onPageChange event
					if(wFORMS.behaviors['paging'].onPageChange) {
						wFORMS.behaviors['paging'].onPageChange(previousPageElement);
					}
					window.scroll(0,0);
				}
			},
			// ------------------------------------------------------------------------------------------
			// show/hide submit button
			// ------------------------------------------------------------------------------------------								
			showSubmitButton: function(form) {
				var buttons = form.getElementsByTagName('input');
				for (var i=0;i<buttons.length;i++) {
					if(buttons[i].type && buttons[i].type.toLowerCase() == 'submit') {
						buttons[i].className = buttons[i].className.replace(wFORMS.className_hideSubmit,"");
					}
				}
			},
			hideSubmitButton: function(form) {
				var buttons = form.getElementsByTagName('input');
				for (var i=0;i<buttons.length;i++) {
					if(buttons[i].type && buttons[i].type.toLowerCase() == 'submit' 
				       && !wFORMS.helpers.hasClass(buttons[i],wFORMS.className_hideSubmit) ) {
						buttons[i].className += ' ' + wFORMS.className_hideSubmit; 
					}
				}
			},
			
			// ------------------------------------------------------------------------------------------
			// isLastPage
			// ------------------------------------------------------------------------------------------					
			isLastPage: function(pageIndex) {
				if(isNaN(pageIndex)) {
					pageIndex = parseInt(pageIndex.replace(/[\D]*/,""));
				}
				pageIndex++;
				var furtherPageElement = document.getElementById(wFORMS.idPrefix_pageIndex+pageIndex.toString());			
				if(!furtherPageElement) 
					return true;
				return false;
			},
			// ------------------------------------------------------------------------------------------
			// gotoPage
			// ------------------------------------------------------------------------------------------				
			gotoPage: function(pageIndex) { 
				
				if(isNaN(pageIndex)) {
					var pageElement = document.getElementById(pageIndex);					
				} else {
					var pageElement = document.getElementById(wFORMS.idPrefix_pageIndex+pageIndex.toString());
				}				
				if(!pageElement) return false;
				
				// get the corresponding form element
				var form = wFORMS.behaviors['paging'].getFormElement(pageElement);
				
				// hide current page
				var allElements = form.getElementsByTagName("*");
				for(var i=0; i< allElements.length; i++) {
					var n =  allElements[i];					
					if(wFORMS.helpers.hasClass(allElements[i],wFORMS.className_pagingCurrent)) {						
						n.className = n.className.replace(new RegExp(wFORMS.className_pagingCurrent,"g"),"");	
						break;
					}
				}
				//show/hide submit button as necessary
				
				if(wFORMS.behaviors['paging'].isLastPage(pageIndex)) 
					wFORMS.behaviors['paging'].showSubmitButton(form);
				else { 
					wFORMS.behaviors['paging'].hideSubmitButton(form);
				}
				// Show the page
				pageElement.className += ' ' + wFORMS.className_pagingCurrent;
				
				// trigger onPageChange event
				if(wFORMS.behaviors['paging'].onPageChange) {
					wFORMS.behaviors['paging'].onPageChange(pageElement);
				}
			},
			// ------------------------------------------------------------------------------------------
			// getFormElement
			// ------------------------------------------------------------------------------------------							
			getFormElement: function(element) {
				var form = element.parentNode;
				while(form && form.tagName != "FORM")
					form = form.parentNode;
				return form;
			},
			// ------------------------------------------------------------------------------------------
			// getPageElement
			// ------------------------------------------------------------------------------------------							
			getPageElement: function(element) {
				var n = element.parentNode;
				while(n && n.tagName != "FORM" && (!n.className || !wFORMS.helpers.hasClass(n,wFORMS.className_paging)))
					n = n.parentNode;
				if(n && wFORMS.helpers.hasClass(n,wFORMS.className_paging))
					return n;
				else
					return null;
			},
			// ------------------------------------------------------------------------------------------
			// getPageIndex
			// ------------------------------------------------------------------------------------------									
			getPageIndex: function(element) {
				if(element && element.id) 
					return parseInt(element.id.replace(/[\D]*/,""));
				else
					return null;
			}
       } // End wFORMS.behaviors['paging']
   }
   
   
   
// ------------------------------------------------------------------------------------------
// Repeat Behavior
// ------------------------------------------------------------------------------------------
      
   if(wFORMS) {
		// Component properties 
		wFORMS.className_repeat 			= "repeat";
		wFORMS.className_delete 			= "removeable";
		wFORMS.className_duplicateLink 		= "duplicateLink";
		wFORMS.className_removeLink 		= "removeLink";
		wFORMS.className_preserveRadioName  = "preserveRadioName";		
		wFORMS.idSuffix_repeatCounter		= "-RC";
		wFORMS.idSuffix_duplicateLink		= "-wfDL";									 
		wFORMS.preserveRadioName			= false;									 // if true, Repeat behavior will preserve name attributes for radio input. 
		wFORMS.limitSwitchScope				= true;									 	 // if true, Repeat behavior will limit the scope of nested switches.
		
		if(!wFORMS.arrMsg) wFORMS.arrMsg 	= new Array();
		wFORMS.arrMsg[0] 					= "Add another response"; 					 // repeat link
		wFORMS.arrMsg[1] 					= "Will duplicate this question or section." // title attribute on the repeat link 
		wFORMS.arrMsg[2] 					= "Remove"; 								 // remove link
		wFORMS.arrMsg[3] 					= "Will remove this question or section." 	 // title attribute on the remove link
		
		wFORMS.behaviors['repeat'] = {
			
			onRepeat: null, /* Function to run after the element is repeated */
			onRemove: null, 	/* Function to run after the element is removed  */
			allowRepeat: null, /* Function for fine control on repeatable section */
			
		   	// ------------------------------------------------------------------------------------------
		   	// evaluate: check if the behavior applies to the given node. Adds event handlers if appropriate
		   	// ------------------------------------------------------------------------------------------
			evaluate: function(node) {
				
				// Repeatable element
				if(wFORMS.helpers.hasClass(node, wFORMS.className_repeat)) {
					//wFORMS.debug('evaluate/repeat: '+ node.id,3);
				   
					 if(!node.id) 
						node.id = wFORMS.helpers.randomId();
						
					// Check if we have a 'repeat' link
					var repeatLink = document.getElementById(node.id + wFORMS.idSuffix_duplicateLink);
					if(!repeatLink) {				
						// create the repeat link
						repeatLink = wFORMS.behaviors['repeat'].createRepeatLink(node.id);
												
						// find where to insert the link
						if(node.tagName.toUpperCase()=="TR") {
							// find the last TD
							var n = node.lastChild;	
							while(n && n.nodeType != 1)  
								n = n.previousSibling;
							if(n && n.nodeType == 1) 
								n.appendChild(repeatLink);
							// Else Couldn't find the TD. Table row malformed ?
						} else
							node.appendChild(repeatLink);
					}
					// Add hidden counter field if necessary
					var counterField = document.getElementById(node.id + wFORMS.idSuffix_repeatCounter);
					if(!counterField) {
						// IE Specific :-(
						if(document.all && !window.opera) { 
							// see http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/name_2.asp
							var counterFieldId = node.id + wFORMS.idSuffix_repeatCounter;
							if(navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.indexOf("Windows") == -1) // IE5 Mac
								counterField   = document.createElement("INPUT NAME=\"" + counterFieldId + "\"");
							else
								counterField   = document.createElement("<INPUT NAME=\"" + counterFieldId + "\"></INPUT>"); 					
							counterField.type  ='hidden';
							counterField.id    = counterFieldId; 
							counterField.value = "1";
						}
						else {
							counterField = document.createElement("INPUT"); 
							counterField.setAttribute('type','hidden'); // hidden
							counterField.setAttribute('value','1');
							counterField.setAttribute('name', node.id + wFORMS.idSuffix_repeatCounter);
							counterField.setAttribute('id', node.id + wFORMS.idSuffix_repeatCounter); 
						}
						
						// get the form element						
						var form = node.parentNode;
						while(form && form.tagName.toUpperCase() != "FORM")
							form = form.parentNode;
						
						form.appendChild(counterField);
					}
					
					// Add event handler			
					wFORMS.helpers.addEvent(repeatLink,'click',wFORMS.behaviors['repeat'].duplicateFieldGroup);			
				}	
		 	  	// ------------------------------------------------------------------------------------------
				// Removeable element
				if(wFORMS.helpers.hasClass(node, wFORMS.className_delete)) {
					var removeLink = wFORMS.behaviors['repeat'].createRemoveLink();
					// find where to insert the link
					if(node.tagName.toUpperCase()=="TR") {
						// find the last TD
						var n = node.lastChild;	
						while(n && n.nodeType != 1)  
							n = n.previousSibling;
						if(n && n.nodeType == 1) 
							n.appendChild(removeLink);
						// Else Couldn't find the TD. Table row malformed ?
					} else
						node.appendChild(removeLink);
				}	
           	},
			createRepeatLink: function(id) {
				var repeatLink = document.createElement("a"); 
				var spanNode = document.createElement("span");  // could be used for CSS image replacement 
				var textNode = document.createTextNode(wFORMS.arrMsg[0]);
				repeatLink.id = id + wFORMS.idSuffix_duplicateLink;	
				repeatLink.setAttribute('href',"#");	
				repeatLink.className = wFORMS.className_duplicateLink;			
				repeatLink.setAttribute('title', wFORMS.arrMsg[1]);	
				spanNode.appendChild(textNode); 
				repeatLink.appendChild(spanNode); 
				return repeatLink;
			},
			createRemoveLink: function() {
				var removeLink = document.createElement("a");
				var spanNode   = document.createElement("span");  // could be used for CSS image replacement 
				var textNode   = document.createTextNode(wFORMS.arrMsg[2]);
				removeLink.setAttribute('href',"#");	
				removeLink.className = wFORMS.className_removeLink;
				removeLink.setAttribute('title',wFORMS.arrMsg[3]);	
				spanNode.appendChild(textNode); 
				removeLink.appendChild(spanNode);
				wFORMS.helpers.addEvent(removeLink,'click',wFORMS.behaviors['repeat'].removeFieldGroup);
				return removeLink;
			},
		   	duplicateFieldGroup: function(e) {
		   					
				var element  = wFORMS.helpers.getSourceElement(e);
				if(!element) element = e
				
				// override of the wFORMS.preserveRadioName property using a class on the repeat link.
				var preserveRadioName = wFORMS.helpers.hasClass(element,wFORMS.className_preserveRadioName) ? true : wFORMS.preserveRadioName;
				//wFORMS.debug('preserveRadioName='+preserveRadioName);
				
				// Get Element to duplicate.				
				while (element && !wFORMS.helpers.hasClass(element,wFORMS.className_duplicateLink)) {
					element = element.parentNode;
				}	
				var idOfRepeatedSection = element.id.replace(wFORMS.idSuffix_duplicateLink,"");
				var element = document.getElementById(idOfRepeatedSection); 
				
				
				if (element) {
					var wBehavior = wFORMS.behaviors['repeat']; // shortcut
					
					// Check if we have a custom function that prevents the repeat
					if(wBehavior.allowRepeat) {						
						if(!wBehavior.allowRepeat(element)) return false;
					}
					
					// Extract row counter information
					counterField = document.getElementById(element.id + wFORMS.idSuffix_repeatCounter);
					if(!counterField) return; // should not happen.
					var rowCount = parseInt(counterField.value) + 1;
					// Prepare id suffix
					var suffix = "-" + rowCount.toString()
					// duplicate node tree 
					var dupTree = wBehavior.replicateTree(element, null, suffix, preserveRadioName);  //  sourceNode.cloneNode(true); 
					// find insert point in DOM tree (after existing repeated element)
					var insertNode = element.nextSibling;
					
					while(insertNode && 
						 (insertNode.nodeType==3 ||       // skip text-node that can be generated server-side when populating a previously repeated group 
						  wFORMS.helpers.hasClass(insertNode,wFORMS.className_delete))) {						
						insertNode = insertNode.nextSibling;
					}
					element.parentNode.insertBefore(dupTree,insertNode);	 // Buggy rendering in IE5/Mac
					// if(navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.indexOf("Windows") == -1)			
					//
					
					// the copy is not duplicable, it's removeable
					dupTree.className = element.className.replace(wFORMS.className_repeat,wFORMS.className_delete);
					// Save new row count 			
					document.getElementById(element.id + wFORMS.idSuffix_repeatCounter).value = rowCount;
					// re-add wFORMS behaviors
					wFORMS.addBehaviors(dupTree);
					
					if(wBehavior.onRepeat)
						wBehavior.onRepeat(element,dupTree);
				}				
				
				return wFORMS.helpers.preventEvent(e);
			},
			
		   	removeFieldGroup: function(e) { 
				var element  = wFORMS.helpers.getSourceElement(e);
				if(!element) element = e
				// Get Element to remove.
				var element = element.parentNode;
				while (element && !wFORMS.helpers.hasClass(element,wFORMS.className_delete)) {
					element = element.parentNode;
				}	
				element.parentNode.removeChild(element);
				if(wFORMS.behaviors['repeat'].onRemove)
						wFORMS.behaviors['repeat'].onRemove(element);
				return wFORMS.helpers.preventEvent(e);
			},	
			
			removeRepeatCountSuffix: function(str) {
				return str.replace(/-\d+$/,'');
			},
	
			replicateTree: function(element,parentElement, idSuffix, preserveRadioName) {
				
				// Duplicating TEXT-NODE (do not copy value of textareas)
				if(element.nodeType==3) { 
					if(element.parentNode.tagName.toUpperCase() != 'TEXTAREA')
						var newElement = document.createTextNode(element.data); 
				} 
				// Duplicating ELEMENT-NODE
				else if(element.nodeType==1) { 
					
					// Do not copy repeat/remove links
					if(wFORMS.helpers.hasClass(element,wFORMS.className_duplicateLink) ||
					   wFORMS.helpers.hasClass(element,wFORMS.className_removeLink)) 							
						return null; 
					// Exclude duplicated elements of a nested repeat group
					if(wFORMS.helpers.hasClass(element,wFORMS.className_delete)) 
						return null; 
					// Adjust row suffix id if we find a nested repeat group 
					if(wFORMS.helpers.hasClass(element,wFORMS.className_repeat) && parentElement!=null)
						idSuffix = idSuffix.replace('-','__');
					
					if(!document.all || window.opera) { 
						// Common Branch
						var newElement = document.createElement(element.tagName); 
					} else {
						// IE Branch 
						// see http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/name_2.asp						
						var tagHtml = element.tagName;
						
						if(element.name) 					
							if (element.tagName.toUpperCase() == "INPUT" && 
								element.type.toLowerCase()    == "radio" && preserveRadioName)
								tagHtml += " NAME='" + element.name + "' ";
							else
								tagHtml += " NAME='" + wFORMS.behaviors['repeat'].removeRepeatCountSuffix(element.name) + idSuffix + "' ";
						if(element.type) {
							tagHtml += " TYPE='" + element.type + "' ";
						}
						if(element.selected) 
							tagHtml += " SELECTED='SELECTED' ";
						if(element.checked)
							tagHtml += " CHECKED='CHECKED' ";
	
						if(navigator.appVersion.indexOf("MSIE") != -1 && navigator.appVersion.indexOf("Windows") == -1) // IE5 Mac
							var newElement = document.createElement(tagHtml);
						else
							var newElement = document.createElement("<" + tagHtml + "></"+ element.tagName + ">"); 
						try { newElement.type = element.type; } catch(e) {}; // nail it down for IE5 ?, breaks in IE6
						
					}
				 
					// duplicate attributes										
					for(var i=0; i< element.attributes.length; i++) {
						var attribute = element.attributes[i];
						
						// Get attribute value. 
						if(	attribute.specified || // in IE, the attributes array contains all attributes in the DTD
							attribute.nodeName.toLowerCase() == 'value' ) { // attr.specified buggy in IE?  
							// Add the row suffix if necessary.
							if(	attribute.nodeName.toLowerCase() == "id" || 
								attribute.nodeName.toLowerCase() == "name" ||
								attribute.nodeName.toLowerCase() == "for") {
															
								if(wFORMS.hasBehavior('hint') && 
								   attribute.nodeValue.indexOf(wFORMS.idSuffix_fieldHint) != -1)  {
									//leave the field hint suffix at the end of the id.
									var value = attribute.nodeValue;
									value= wFORMS.behaviors['repeat'].removeRepeatCountSuffix(value.substr(0,value.indexOf(wFORMS.idSuffix_fieldHint))) + idSuffix + wFORMS.idSuffix_fieldHint;
								}
								else {
									if(element.tagName.toUpperCase()=="INPUT" && 
									   element.getAttribute('type',false).toLowerCase()=="radio" &&
									   attribute.nodeName.toLowerCase() == "name" && 
									   preserveRadioName) {
										var value = attribute.nodeValue;						
									}
									else {
										// var value = wFORMS.behaviors['repeat'].removeRepeatCountSuffix(attribute.nodeValue) + idSuffix;
										var value = attribute.nodeValue + idSuffix;
									}
								}
							} else {
								// Do not copy the value attribute for text/password/file input
								if(attribute.nodeName.toLowerCase() == "value" &&
								   element.tagName.toUpperCase()=='INPUT'      &&  
								  (element.type.toLowerCase() == 'text'     || 
								   element.type.toLowerCase() == 'password' || 
								   element.type.toLowerCase() == 'hidden' ||
								   element.type.toLowerCase() == 'file')) 
									var value='';   
								// Do not copy the switch behavior's 'event handled' flag, stored in the rel attribute
								else if(attribute.nodeName.toLowerCase() == "rel" && 
										attribute.nodeValue.indexOf('wfHandled') != -1) {
									var value = attribute.nodeValue.replace('wfHandled','');
								} else 
									var value = attribute.nodeValue;
							}
							// Create attribute and assign value
							switch(attribute.nodeName.toLowerCase()) {
								case "class":
									newElement.className = value; 
									break;
								case "style": // inline style attribute (fix for IE)
									if(element.style && element.style.cssText) 
										newElement.style.cssText = element.style.cssText; 
									break;								
								case "onclick": // inline event handler (fix for IE)
									newElement.onclick     = element.onclick;							
									break;							
								case "onchange":							
									newElement.onchange    = element.onchange;							
									break;							
								case "onsubmit":
									newElement.onsubmit    = element.onsubmit;							
									break;							
								case "onmouseover":							
									newElement.onmouseover = element.onmouseover;							
									break;							
								case "onmouseout":							
									newElement.onmouseout  = element.onmouseout;							
									break;							
								case "onmousedown":
									newElement.onmousedown = element.onmousedown;							
									break;							
								case "onmouseup":
									newElement.onmouseup   = element.onmouseup;							
									break;							
								case "ondblclick":
									newElement.ondblclick  = element.ondblclick;							
									break;							
								case "onkeydown":
									newElement.onkeydown   = element.onkeydown;							
									break;							
								case "onkeyup":
									newElement.onkeyup     = element.onkeyup;							
									break;							
								case "onblur": 
									newElement.onblur      = element.onblur;							
									break;							
								case "onfocus":
									newElement.onfocus     = element.onfocus;							
									break;
								default:
									newElement.setAttribute(attribute.name, value, 0);
							}
						}
					}				
				}
				if(parentElement && newElement) 
					parentElement.appendChild(newElement);
				for(var i=0; i<element.childNodes.length;i++) {
					wFORMS.behaviors['repeat'].replicateTree(element.childNodes[i],newElement,idSuffix, preserveRadioName);
				}
				return newElement;
			}
       } // End wFORMS.behaviors['repeat']
	   

   }

// ------------------------------------------------------------------------------------------
// Switch Behavior
// ------------------------------------------------------------------------------------------

 if(wFORMS) {

		// Component properties 
		wFORMS.classNamePrefix_switch 		= "switch";
		wFORMS.className_switchIsOn         = "swtchIsOn";    // used to keep track of the switch state on buttons and links (where the checked attribute is not available)
		wFORMS.className_switchIsOff        = "swtchIsOff";
		wFORMS.classNamePrefix_offState		= "offstate";
		wFORMS.classNamePrefix_onState		= "onstate";
		wFORMS.switchScopeRootTag           = "";         	  // deprecated.	
		
		wFORMS.switchTriggers               = [];			  // associative multi-dimensional array (switchname->element Ids)
		wFORMS.switchTargets                = [];			  // associative multi-dimensional array (switchname->element Ids)
		
	
		wFORMS.behaviors['switch'] = {

		   // ------------------------------------------------------------------------------------------
		   // evaluate: check if the behavior applies to the given node. Adds event handlers if appropriate
		   // ------------------------------------------------------------------------------------------
		   evaluate: function(node) {
                
			    // Handle Switch Triggers
				// add event handles and populate the wFORMS.switchTriggers 
				// associative array (switchname->element Ids)
				// ------------------------------------------------------------------------------------------				
				if (wFORMS.helpers.hasClassPrefix(node, wFORMS.classNamePrefix_switch)) {

					if(!node.id) node.id = wFORMS.helpers.randomId();
					
					if(!wFORMS.processedForm || !wFORMS.processedForm.id)
						var formId = "undefined";
					else
						var formId = wFORMS.processedForm.id;
					
					// Go through each class (one element can have more than one switch trigger).
					var switchNames = wFORMS.behaviors['switch'].getSwitchNames(node);
					for(var i=0; i < switchNames.length; i++) {
						if(!wFORMS.switchTriggers[formId])
							wFORMS.switchTriggers[formId] = new Array();
						if(!wFORMS.switchTriggers[formId][switchNames[i]]) 
							wFORMS.switchTriggers[formId][switchNames[i]] = new Array();
						if(!wFORMS.switchTriggers[formId][switchNames[i]][node.id]) {
							wFORMS.switchTriggers[formId][switchNames[i]].push(node.id);
						}
					}

					switch(node.tagName.toUpperCase()) {
							
						case "OPTION":
							// get the SELECT element
							var selectNode = node.parentNode;
							while(selectNode && selectNode.tagName.toUpperCase() != 'SELECT') {
								var selectNode = selectNode.parentNode;
							}
							if(!selectNode) { alert('Error: invalid markup in SELECT field ?'); return false;  } // invalid markup
							if(!selectNode.id) selectNode.id = wFORMS.helpers.randomId();

							// Make sure we have only one event handler for the select.
							if(!selectNode.getAttribute('rel') || selectNode.getAttribute('rel').indexOf('wfHandled')==-1) {
								//wFORMS.debug('switch/add event: '+ selectNode.className + ' ' + selectNode.tagName);
								selectNode.setAttribute('rel', (selectNode.getAttribute('rel')||"") + ' wfHandled');
								wFORMS.helpers.addEvent(selectNode, 'change', wFORMS.behaviors['switch'].run);
							}							
							break;

						case "INPUT":							
							if(node.type && node.type.toLowerCase() == 'radio') {
								// Add the onclick event on radio inputs of the same group
								var formElement = node.form;	
								for (var j=0; j<formElement[node.name].length; j++) {
									var radioNode = formElement[node.name][j];
									// prevents conflicts with elements with an id = name of radio group
									if(radioNode.type.toLowerCase() == 'radio') {
										// Make sure we have only one event handler for this radio input.
										if(!radioNode.getAttribute('rel') || radioNode.getAttribute('rel').indexOf('wfHandled')==-1) {								
											wFORMS.helpers.addEvent(radioNode, 'click', wFORMS.behaviors['switch'].run);
											// flag the node 
											radioNode.setAttribute('rel', (radioNode.getAttribute('rel')||"") + ' wfHandled');
										} 
									}
								}
							} else {
								wFORMS.helpers.addEvent(node, 'click', wFORMS.behaviors['switch'].run);
							}
							break;
						
						default:		
							wFORMS.helpers.addEvent(node, 'click', wFORMS.behaviors['switch'].run);
							break;
					}
				}
				
				// Push targets in the wFORMS.switchTargets array 
				// (associative array with switchname -> element ids)
				// ------------------------------------------------------------------------------------------
				if (wFORMS.helpers.hasClassPrefix(node, wFORMS.classNamePrefix_offState) ||
				    wFORMS.helpers.hasClassPrefix(node, wFORMS.classNamePrefix_onState)) {
					
					if(!node.id) node.id = wFORMS.helpers.randomId();

					if(!wFORMS.processedForm || !wFORMS.processedForm.id)
						var formId = "undefined";
					else
						var formId = wFORMS.processedForm.id;
					
					// Go through each class (one element can be the target of more than one switch).
					var switchNames = wFORMS.behaviors['switch'].getSwitchNames(node);
					
					for(var i=0; i < switchNames.length; i++) {
						if(!wFORMS.switchTargets[formId])
							wFORMS.switchTargets[formId] = new Array();
						if(!wFORMS.switchTargets[formId][switchNames[i]]) 
							wFORMS.switchTargets[formId][switchNames[i]] = new Array();
						if(!wFORMS.switchTargets[formId][switchNames[i]][node.id]) 
							wFORMS.switchTargets[formId][switchNames[i]].push(node.id);
						//wFORMS.debug('switch/evaluate: [target] '+ switchNames[i],3);
					}										
				}
				
				if(node.tagName && node.tagName.toUpperCase()=='FORM') {
					// function to be called when all behaviors have been applied
					wFORMS.onLoadComplete.push({form:node, func: wFORMS.behaviors['switch'].init}); 
					// clear existing triggers/targets for that form.
					wFORMS.behaviors['switch'].clear(node.id);
				}
           },
		   
		   // ------------------------------------------------------------------------------------------
           // init: executed once evaluate has been applied to all elements
		   // ------------------------------------------------------------------------------------------	   
		   init: function(form) {
		  
		   	   if(!form || !form.id)
		   	   		var formId = "undefined";
			   else
			   		var formId = form.id; 
			   // go through all switch triggers and activate those who are already ON			 			   
			   for(var switchName in wFORMS.switchTriggers[formId]) {
					// go through all triggers for the current switch
					for(var i=0; i< wFORMS.switchTriggers[formId][switchName].length; i++) {						
					   	var element = document.getElementById(wFORMS.switchTriggers[formId][switchName][i]);					   							
					   	if(wFORMS.behaviors['switch'].isTriggerOn(element,switchName)) {
							// if it's a select option, get the select element
							if(element.tagName.toUpperCase()=='OPTION') {
								var element = element.parentNode;
								while(element && element.tagName.toUpperCase() != 'SELECT') {
									var element = element.parentNode;
								}
							}
							// run the trigger
							wFORMS.behaviors['switch'].run(element);
						}
				   }
			   }
		   },
		   
		   // ------------------------------------------------------------------------------------------
           // run: executed when the behavior is activated
		   // ------------------------------------------------------------------------------------------	   
           run: function(e) {
                var element   = wFORMS.helpers.getSourceElement(e);
				if(!element) element = e;
			    //wFORMS.debug('switch/run: ' + element.id , 5);	
				
				if(element.form)
					var form = element.form;
				else {
					var form = element.parentNode;
					while(form && form.tagName != "FORM")
						form = form.parentNode;
				}	
				if(!form || !form.id) {
					// switch not within a form tag
					var formId = "undefined";
				} else
					var formId = form.id;
				
				var switches_ON  = new Array();
				var switches_OFF = new Array();
				
				// Get list of triggered switches (some ON, some OFF)
				switch(element.tagName.toUpperCase()) {
					case 'SELECT':
						for(var i=0;i<element.options.length;i++) {
							if(i==element.selectedIndex) {	
								switches_ON  = switches_ON.concat(wFORMS.behaviors['switch'].getSwitchNames(element.options[i]));
							} else {
								switches_OFF = switches_OFF.concat(wFORMS.behaviors['switch'].getSwitchNames(element.options[i]));
							}
						}

						break;
					case 'INPUT':
						if(element.type.toLowerCase() == 'radio') {
							// Go through the radio group.
							
							for(var i=0;i <element.form[element.name].length;i++) { 
								var radioElement = element.form[element.name][i];
								if(radioElement.checked) {
									switches_ON  = switches_ON.concat(wFORMS.behaviors['switch'].getSwitchNames(radioElement));
								} else {
									//wFORMS.debug(wFORMS.behaviors['switch'].getSwitchNames(radioElement).length,1);
									switches_OFF = switches_OFF.concat(wFORMS.behaviors['switch'].getSwitchNames(radioElement));
								}
							}
						} else {
							if(element.checked || wFORMS.helpers.hasClass(element, wFORMS.className_switchIsOn)) {
								switches_ON  = switches_ON.concat(wFORMS.behaviors['switch'].getSwitchNames(element));
							} else {
								switches_OFF = switches_OFF.concat(wFORMS.behaviors['switch'].getSwitchNames(element));
							}							
						}
						break;
					default:
						break;
				}
				
				// Turn off switches first
				for(var i=0; i < switches_OFF.length; i++) {
					// Go through all targets of the switch 
					var elements = wFORMS.behaviors['switch'].getElementsBySwitchName(switches_OFF[i], formId);
					for(var j=0;j<elements.length;j++) {
																									
						// only turn off a target if all its triggers are off
						var triggers = wFORMS.switchTriggers[formId][switches_OFF[i]];												
						var doSwitch = true;
							
						for (var k=0; k < triggers.length; k++) {
							var trigger = document.getElementById(triggers[k]);
							if(wFORMS.behaviors['switch'].isTriggerOn(trigger, switches_OFF[i])) {
								// An element with the REPEAT behavior limits the scope of switches 
								// targets outside of the scope of the switch are not affected. 
								if(wFORMS.behaviors['switch'].isWithinSwitchScope(trigger, elements[j])) {
									// one of the trigger is still ON. no switch off
									doSwitch = false;
								}
							}							
						}
						if(doSwitch) {
							wFORMS.behaviors['switch'].switchState(elements[j], wFORMS.classNamePrefix_onState, wFORMS.classNamePrefix_offState);
						}
					}
				}
				// Turn on
				for(var i=0; i < switches_ON.length; i++) {
					var elements = wFORMS.behaviors['switch'].getElementsBySwitchName(switches_ON[i], formId);
					for(var j=0;j<elements.length;j++) {
						// An element with the REPEAT behavior limits the scope of switches 
						// targets outside of the scope of the switch are not affected. 
						if(wFORMS.behaviors['switch'].isWithinSwitchScope(element, elements[j])) {

							wFORMS.behaviors['switch'].switchState(elements[j], wFORMS.classNamePrefix_offState, wFORMS.classNamePrefix_onState);
							//wFORMS.debug('switch/run: [turn on ' + switches_ON[i] + '] ' + elements[j].id , 3);	
						}
					}
				}
           },

		   // ------------------------------------------------------------------------------------------
           // clear: executed if the behavior should not be applied anymore
		   // ------------------------------------------------------------------------------------------
		   clear: function(form) {
             	// @TODO: go through wFORMS.switchTriggers to remove events.
             	if(form) {
	             	wFORMS.switchTriggers[form] = [];		
    	         	wFORMS.switchTargets[form] = [];
             	} else {
             		wFORMS.switchTriggers = [];	
             		wFORMS.switchTargets = [];
             	}
           },
		   
		   
		   // ------------------------------------------------------------------------------------------
		   // Get the list of switches 
		   // Note: potential conflict if an element is both a switch and a target.
		   getSwitchNames: function(element) {
				var switchNames = new Array();
				var classNames  = element.className.split(' ');
				for(var i=0; i < classNames.length; i++) {
					// Note: Might be worth keeping a prefix on switchName to prevent collision with reserved names						
					if(classNames[i].indexOf(wFORMS.classNamePrefix_switch) == 0) {
						switchNames.push(classNames[i].substr(wFORMS.classNamePrefix_switch.length+1));
					}
					if(classNames[i].indexOf(wFORMS.classNamePrefix_onState) == 0) {
						switchNames.push(classNames[i].substr(wFORMS.classNamePrefix_onState.length+1));
					}
					else if(classNames[i].indexOf(wFORMS.classNamePrefix_offState) == 0) {
						switchNames.push(classNames[i].substr(wFORMS.classNamePrefix_offState.length+1));
					}
				}
				return switchNames;
			},
			
		   // ------------------------------------------------------------------------------------------
			switchState: function(element, oldStateClass, newStateClass) {		
				if(!element || element.nodeType != 1) return;
				if(element.className) {  		
					element.className = element.className.replace(oldStateClass, newStateClass);
				}		
				// For  elements that don't have a native state variable (like checked, or selectedIndex)
				if(wFORMS.helpers.hasClass(element, wFORMS.className_switchIsOff)) {
					element.className = element.className.replace(wFORMS.className_switchIsOff, wFORMS.className_switchIsOn);
				} else if(wFORMS.helpers.hasClass(element, wFORMS.className_switchIsOn)) {
					element.className = element.className.replace(wFORMS.className_switchIsOn, wFORMS.className_switchIsOff);
				}
			},
			
			// ------------------------------------------------------------------------------------------
			getElementsBySwitchName: function(switchName, formId) {
				var elements = new Array();
				if(wFORMS.switchTargets[formId][switchName]) {
					for (var i=0; i<wFORMS.switchTargets[formId][switchName].length; i++) {
						var element = document.getElementById(wFORMS.switchTargets[formId][switchName][i]);
						if(element)
							elements.push(element);
					}
				}
				return elements;
			},
			
			// ------------------------------------------------------------------------------------------
			isTriggerOn: function(element, triggerName) {
				if(!element) return false;
				if(element.tagName.toUpperCase()=='OPTION') {
					var selectElement = element.parentNode;
					while(selectElement && selectElement.tagName.toUpperCase() != 'SELECT') {
						var selectElement = selectElement.parentNode;
					}
					if(!selectElement) return false; // invalid markup					
					if(selectElement.selectedIndex==-1) return false; // nothing selected
					// TODO: handle multiple-select
					if(wFORMS.helpers.hasClass(selectElement.options[selectElement.selectedIndex],
											   wFORMS.classNamePrefix_switch + '-' + triggerName)) {
						return true;
					}
				} else {
					if(element.checked || wFORMS.helpers.hasClass(element, wFORMS.className_switchIsOn)) 
						return true;
				}
				return false;
			},
			
			// isWithinSwitchScope: An element with the REPEAT behavior limits the scope of switches 
			// targets outside of the scope of the switch are not affected. 
			// ------------------------------------------------------------------------------------------			
			isWithinSwitchScope: function(trigger, target) {
				
				if(wFORMS.hasBehavior('repeat') && wFORMS.limitSwitchScope == true) { 
					// check if the trigger is in a repeatable/removeable element
					var scope = trigger;
				
					while(scope && scope.tagName && scope.tagName.toUpperCase() != 'FORM' && 
						  !wFORMS.helpers.hasClass(scope, wFORMS.className_repeat) &&
					      !wFORMS.helpers.hasClass(scope, wFORMS.className_delete) ) {
						scope = scope.parentNode;
					}
					if(wFORMS.helpers.hasClass(scope, wFORMS.className_repeat) || 
					   wFORMS.helpers.hasClass(scope, wFORMS.className_delete)) {
						// yes, the trigger is nested in a repeat/remove element
						
						// check if the target is in the same element.
						var scope2 = target;
						while(scope2 && scope2.tagName && scope2.tagName.toUpperCase() != 'FORM' && 
							  !wFORMS.helpers.hasClass(scope2, wFORMS.className_repeat) &&
							  !wFORMS.helpers.hasClass(scope2, wFORMS.className_delete) ) {
							scope2 = scope2.parentNode;
						}
						if(scope == scope2) {
							return true;  // target & trigger are in the same repeat/remove element		
						} else {
							return false; // target not in the same repeat/remove element,					
						}
					} else {
						return true;	  // trigger is not nested in a repeat/remove element, scope unaffected
					}
				} else 
					return true;
			}
       } // END wFORMS.behaviors['switch'] object

  	   
   }
// ------------------------------------------------------------------------------------------
// Form Validation Behavior
// ------------------------------------------------------------------------------------------
  
   if(wFORMS) {
		// Component properties 
		// wFORMS.functionName_formValidation  is defined at the bottom of this file
		// Those should be moved inside wFORMS.behaviors['validation']. Stays here for now for backward compatibility
       	wFORMS.preventSubmissionOnEnter   		= true; 			// prevents submission when pressing the 'enter' key. Set to true if pagination behavior is used.
	   	wFORMS.showAlertOnError 			  	= true; 			// sets to false to not show the alert when a validation error occurs.
		wFORMS.className_required 			 	= "required";
		wFORMS.className_validationError_msg 	= "errMsg";		 
		wFORMS.className_validationError_fld	= "errFld";  
		wFORMS.classNamePrefix_validation 		= "validate";	
		wFORMS.idSuffix_fieldError				= "-E";

		wFORMS.behaviors['validation'] = {
			
			// Error messages. This may be overwritten in a separate js file for localization or customization purposes.			
			errMsg_required 	: "This field is required. ",
			errMsg_alpha 		: "The text must use alphabetic characters only (a-z, A-Z). Numbers are not allowed.",
			errMsg_email 		: "This does not appear to be a valid email address.",
			errMsg_integer 		: "Please enter an integer.",
			errMsg_float 		: "Please enter a number (ex. 1.9).",
			errMsg_password 	: "Unsafe password. Your password should be between 4 and 12 characters long and use a combinaison of upper-case and lower-case letters.",
			errMsg_alphanum 	: "Please use alpha-numeric characters only [a-z 0-9].",
			errMsg_date 		: "This does not appear to be a valid date.",
			errMsg_notification : "%% error(s) detected. Your form has not been submitted yet.\nPlease check the information you provided.",  // %% will be replaced by the actual number of errors.
			errMsg_custom		: "Please enter a valid value.",
			
			// Class Names
			className_allRequired : "allrequired",
			
			// first page w/ error in a multi-page form
			jumpToErrorOnPage : null,
			currentPageIndex  : -1,
			
			// do not submit fields turned off by switch behavior
			submitSwitchedOffFields : false,
			switchedOffFields : [],
			
		   // ------------------------------------------------------------------------------------------
		   // evaluate: check if the behavior applies to the given node. Adds event handlers if appropriate
		   // ------------------------------------------------------------------------------------------
			evaluate: function(node) {
               	if(node.tagName=="FORM") {
				   	// functionName_formValidation can be a reference to a function, or a string with the name of the function.
				   	// avoid using typeof
				   	if(wFORMS.functionName_formValidation.toString()==wFORMS.functionName_formValidation) {
					   	// this is a string, not a function
						wFORMS.functionName_formValidation = eval(wFORMS.functionName_formValidation);
				   	}
                   	wFORMS.helpers.addEvent(node,'submit',wFORMS.functionName_formValidation);
               	}
               	// Add onkeydown handler on text inputs to prevent form submission when the enter key is pressed
				if(wFORMS.preventSubmissionOnEnter) { 
					if(node.tagName=='INPUT') {					
						if(!node.type || node.type.toLowerCase()=='text' ||
						                 node.type.toLowerCase()=='password' ||
						                 node.type.toLowerCase()=='file') {
							wFORMS.helpers.addEvent(node,'keydown', function(e){
								var evt = (e) ? e : window.event;
								if(evt.keyCode==13) {
									return wFORMS.helpers.preventEvent(evt);
								}
							});
						}
					}
				}
               
           },
		   // ------------------------------------------------------------------------------------------
           // init: executed once evaluate has been applied to all elements
		   // ------------------------------------------------------------------------------------------	   
		   init: function() {
		   },
		   
		   // ------------------------------------------------------------------------------------------
           // run: executed when the behavior is activated
		   // ------------------------------------------------------------------------------------------	   		   
           run: function(e) {
				var element  = wFORMS.helpers.getSourceElement(e);
				if(!element) element = e;
				//wFORMS.debug('validation/run: ' + element.id , 5);	
				
				var currentPageOnly = arguments.length>1 ? arguments[1]:false;
				// arguments[1] : (wFORMS.hasBehavior('paging') && wFORMS.behaviors['paging'].behaviorInUse);

				wFORMS.behaviors['validation'].switchedOffFields = [];
				wFORMS.behaviors['validation'].jumpToErrorOnPage = null;
				
				// make sure we have the form element
				while (element && element.tagName != 'FORM') {
					element = element.parentNode;
				}		
				
				var nbErrors = wFORMS.behaviors['validation'].validateElement(element, currentPageOnly, true);
				
				// save the value in a property if someone else needs it.
				wFORMS.behaviors['validation'].errorCount = nbErrors;
				
				if (nbErrors > 0) {					
					if(wFORMS.behaviors['validation'].jumpToErrorOnPage) {					
						wFORMS.behaviors['paging'].gotoPage(wFORMS.behaviors['validation'].jumpToErrorOnPage);
					}
					if(wFORMS.showAlertOnError){ wFORMS.behaviors['validation'].showAlert(nbErrors); }
					return wFORMS.helpers.preventEvent(e); 
				}

				// Remove switched-off content if any
				// Note: in multi-page behavior the validation is run on "page next" without submitting the form.
				//       In this situation (currentPageOnly==true) switched-off conditionals should not be removed. 
				if(!wFORMS.behaviors['validation'].submitSwitchedOffFields && !currentPageOnly) {
					for(var i=0; i < wFORMS.behaviors['validation'].switchedOffFields.length; i++) {
						var element = wFORMS.behaviors['validation'].switchedOffFields[i];
						while(element.childNodes[0]) 
							element.removeChild(element.childNodes[0]);
					}
				}				
				return true;
			},
		   
			// ------------------------------------------------------------------------------------------
			// remove: executed if the behavior should not be applied anymore
			// ------------------------------------------------------------------------------------------
			remove: function() {
			},
		   
		   
			// ------------------------------------------------------------------------------------------
			// validation functions
			// ------------------------------------------------------------------------------------------
			validateElement: function(element /*, currentPageOnly, deep */) {

				if(!element) return;

				var deep = arguments.length>2 ? arguments[2] : true;
				
				// used in multi-page forms
				var currentPageOnly = arguments[1] ? arguments[1] : false;				
				
				var wBehavior = wFORMS.behaviors['validation'];		// shortcut
				
				// do not validate elements that are in a OFF-Switch
				// Note: what happens if an element is the target of 2+ switches, some ON and some OFF ?
				if(wFORMS.hasBehavior('switch') && wFORMS.helpers.hasClassPrefix(element,wFORMS.classNamePrefix_offState)) {
					if(!wBehavior.submitSwitchedOffFields) {
						wBehavior.switchedOffFields.push(element);
					}
					return 0;
				}
				// do not validate elements that are not in the current page (Paging Behavior)
				if(wFORMS.hasBehavior('paging') && wFORMS.helpers.hasClass(element,wFORMS.className_paging)) {
					if(!wFORMS.helpers.hasClass(element,wFORMS.className_pagingCurrent) && currentPageOnly)
						return 0;
					wBehavior.currentPageIndex = wFORMS.behaviors['paging'].getPageIndex(element);
				}
				
				var nbErrors = 0;
				
				// check if required
				if(!wBehavior.checkRequired(element)) {
					wBehavior.showError(element, wBehavior.errMsg_required);
					nbErrors++;
					//wFORMS.debug('validation/error: [required]' + element.id + '('+nbErrors+')' , 5);
				} else {
				
					// input format validation
					if (wFORMS.helpers.hasClassPrefix(element,wFORMS.classNamePrefix_validation)) {
		
						var arrClasses = element.className.split(" ");
						for (j=0;j<arrClasses.length;j++) {
							switch(arrClasses[j]) {
								case "validate-alpha":
									if(!wBehavior.isAlpha(element.value)) {
										wBehavior.showError(element, wBehavior.errMsg_alpha);
										nbErrors++;
									}
									break;
								case "validate-alphanum":
									if(!wBehavior.isAlphaNum(element.value)) {
										wBehavior.showError(element, wBehavior.errMsg_alphanum);
										nbErrors++;
									}
									break;
								case "validate-date":
									if(!wBehavior.isDate(element.value)) {
										wBehavior.showError(element, wBehavior.errMsg_date);
										nbErrors++;
									}
									break;
								case "validate-time":
									/* NOT IMPLEMENTED */
									break;
								case "validate-email":
									if(!wBehavior.isEmail(element.value)) {
										wBehavior.showError(element, wBehavior.errMsg_email);
										nbErrors++;
									}
									break;
								case "validate-integer":
									if(!wBehavior.isInteger(element.value)) {
										wBehavior.showError(element, wBehavior.errMsg_integer);
										nbErrors++;
									}					
									break;
								case "validate-float":
									if(!wBehavior.isFloat(element.value)) {
										wBehavior.showError(element,wBehavior.errMsg_float);
										nbErrors++;
									}
									break;
								case "validate-strongpassword": // NOT IMPLEMENTED
									if(!wBehavior.isPassword(element.value)) {
										wBehavior.showError(element, wBehavior.errMsg_password);
										nbErrors++;
									}
									break;
								case "validate-custom": 
									var pattern = new RegExp("\/([^\/]*)\/([gi]*)");
									var matches = element.className.match(pattern);
									if(matches[0]) {										
										var validationPattern = new RegExp(matches[1],matches[2]);
										if(!element.value.match(validationPattern)) {
											wBehavior.showError(element, wBehavior.errMsg_custom);
											nbErrors++;											
										}
									}															
									break;									
							} // end switch
						} // end for
					}
				} // end validation check
				
				// remove previous error flags if any.
				if(nbErrors==0) {
					wBehavior.removeErrorMessage(element);
				} else {
					// flag the first page with an error (if multi-page form)
					if(wBehavior.currentPageIndex>0 && !wBehavior.jumpToErrorOnPage) {
						wBehavior.jumpToErrorOnPage = wBehavior.currentPageIndex;
					}
				}
					
				// recursive loop					
				if(deep) {
					for(var i=0; i < element.childNodes.length; i++) {
						if(element.childNodes[i].nodeType==1) { // Element Nodes only
							nbErrors += wBehavior.validateElement(element.childNodes[i], currentPageOnly, deep);
						}
					}
				}
				
				return nbErrors;
			},
			
			// ------------------------------------------------------------------------------------------
			checkRequired: function(element) {
				var wBehavior = wFORMS.behaviors['validation'];		// shortcut				

				if(wFORMS.helpers.hasClass(element,wFORMS.className_required)) {
					switch(element.tagName.toUpperCase()) {
						case "INPUT":
							var inputType = element.getAttribute("type");
							if(!inputType) inputType = 'text'; // handles lame markup
							switch(inputType.toLowerCase()) {
								case "checkbox":
									return element.checked; 
									break;
								case "radio":
									return element.checked; 
									break;
								default:
									return !wBehavior.isEmpty(element.value);
							}
							break;
						case "SELECT":							
							if(element.selectedIndex==-1) {
								// multiple select with no selection
								return false;
							} else 												
								return !wBehavior.isEmpty(element.options[element.selectedIndex].value);
							break;
						case "TEXTAREA":
							return !wBehavior.isEmpty(element.value);
							break;
						default:
							return wBehavior.checkOneRequired(element);
							break;
					} 	
				} else if(wFORMS.helpers.hasClass(element,wBehavior.className_allRequired)) {
					return wBehavior.checkAllRequired(element);
				}
				return true;
			},
			checkOneRequired: function(element) {	
				if(element.nodeType != 1) return false;
				var tagName = element.tagName.toUpperCase();
				var wBehavior = wFORMS.behaviors['validation'];
				
				if(tagName == "INPUT" || tagName == "SELECT" || tagName == "TEXTAREA" ) {
					var value = wBehavior.getFieldValue(element);	
					if(!wBehavior.isEmpty(value)) {					
						return true;
					}			
				}
				for(var i=0; i<element.childNodes.length;i++) {
					if(wBehavior.checkOneRequired(element.childNodes[i])) return true;
				}
				return false;
			},
			checkAllRequired: function(element)	{
				
				if(element.nodeType != 1) return true;
				var tagName = element.tagName.toUpperCase();
				var wBehavior = wFORMS.behaviors['validation'];

				if(tagName == "INPUT" || tagName == "SELECT" || tagName == "TEXTAREA" ) {
					var value = wBehavior.getFieldValue(element);	
					if(wBehavior.isEmpty(value)) {					
						return false;
					}			
				}
				for(var i=0; i<element.childNodes.length;i++) {
					if(!wBehavior.checkAllRequired(element.childNodes[i])) return false;
				}
				return true;
			},
			getFieldValue: function(element) {
				var value = null;
				if(element && element.tagName) {
					if(element.tagName.toUpperCase() == "INPUT") {
						var inputType = element.getAttribute("type");
						if(!inputType) inputType = 'text'; // handles lame markup
					
						switch(inputType.toLowerCase()) {
							case "checkbox": 
								value = element.checked?element.value:null; 
								break;
							case "radio":								
								var radioGroup = element.form[element.name]; 							
								for (var i = 0; i< radioGroup.length; i++) {
								    if (radioGroup[i].checked) {
								    	if(!value) value = new Array();
										value[value.length] = radioGroup[i].value;
								    }
								} 								
								break;
							default:
								value = element.value;
						}
					} else if(element.tagName.toUpperCase() == "SELECT") {	
						if(element.selectedIndex!=-1)																
							value = element.options[element.selectedIndex].value						
						else
							value = null; // multiple select with no selection
					} else if(element.tagName.toUpperCase() == "TEXTAREA") {
						value = element.value;
					}
				}
				return value;
			},
			// ------------------------------------------------------------------------------------------
			isEmpty: function(s) {				
				var regexpWhitespace = /^\s+$/;
				return  ((s == null) || (s.length == 0) || regexpWhitespace.test(s));
			},
			isAlpha: function(s) {
				var regexpAlphabetic = /^[a-zA-Z\s]+$/; // Add ' and - ?
				return wFORMS.behaviors['validation'].isEmpty(s) || regexpAlphabetic.test(s);
			},
			isAlphaNum: function(s) {
				var validChars = /^[\w\s]+$/;
				return wFORMS.behaviors['validation'].isEmpty(s) || validChars.test(s);
			},
			isDate: function(s) {
				var testDate = new Date(s);
				return wFORMS.behaviors['validation'].isEmpty(s) || !isNaN(testDate);
			},
			isEmail: function(s) {
				var regexpEmail = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/;
				return wFORMS.behaviors['validation'].isEmpty(s) || regexpEmail.test(s);
			},
			isInteger: function(s) {
				var regexp = /^[+]?\d+$/;
				return wFORMS.behaviors['validation'].isEmpty(s) || regexp.test(s);
			},
			isFloat: function(s) {		
				return wFORMS.behaviors['validation'].isEmpty(s) || !isNaN(parseFloat(s));
			},
			// NOT IMPLEMENTED
			isPassword: function(s) {
				// Matches strong password : at least 1 upper case letter, one lower case letter. 4 characters minimum. 12 max.
				//var regexp = /^(?=.*[a-z])(?=.*[A-Z])(?!.*\s).{4,12}$/;  // <= breaks in IE5/Mac
				return wFORMS.behaviors['validation'].isEmpty(s);
			},
			
			// ------------------------------------------------------------------------------------------		
			// Error Alert Functions
			// ------------------------------------------------------------------------------------------		
			showError: function (element,errorMsg) {		
				// remove existing error message if any.
				wFORMS.behaviors['validation'].removeErrorMessage(element);
				
				if (!element.id) element.id = wFORMS.helpers.randomId(); // we'll need an id here.		
				// Add error flag to the field
				element.className += " " + wFORMS.className_validationError_fld;
				// Prepare error message
				var msgNode = document.createTextNode(" " + errorMsg);
				// Find error message placeholder.
				var fe = document.getElementById(element.id +  wFORMS.idSuffix_fieldError);
				if(!fe) { // create placeholder.
					fe = document.createElement("div"); 
					fe.setAttribute('id', element.id +  wFORMS.idSuffix_fieldError);			
					// attach the error message after the field label if possible
					var fl = document.getElementById(element.id +  wFORMS.idSuffix_fieldLabel);
					if(fl)
						fl.parentNode.insertBefore(fe,fl.nextSibling);
					else
						// otherwise, attach it after the field tag.
						element.parentNode.insertBefore(fe,element.nextSibling);
				}
				// Finish the error message.
				fe.appendChild(msgNode);  	
				fe.className += " " + wFORMS.className_validationError_msg;
			},
			
			showAlert: function (nbTotalErrors) {
			   alert(wFORMS.behaviors['validation'].errMsg_notification.replace('%%',nbTotalErrors));
			},
			
			removeErrorMessage: function(element) {
				if(wFORMS.helpers.hasClass(element,wFORMS.className_validationError_fld)) {
					var rErrClass     = new RegExp(wFORMS.className_validationError_fld,"gi");
					element.className = element.className.replace(rErrClass,"");
					var errorMessage  = document.getElementById(element.id + wFORMS.idSuffix_fieldError);
					if(errorMessage)  {				
						errorMessage.innerHTML=""; 
					}
				}
			}
					
       } // End wFORMS.behaviors['validation']
	   
		wFORMS.functionName_formValidation = wFORMS.behaviors['validation'].run;


		// ----------------------------------------------------------------------
		// wForms 1.0 backward compatibility
		// ----------------------------------------------------------------------
		wFORMS.formValidation = wFORMS.behaviors['validation'].run;
		
		// Error messages. 
		wFORMS.arrErrorMsg = new Array(); 
		wFORMS.arrErrorMsg[0] = wFORMS.behaviors['validation'].errMsg_required;	
		wFORMS.arrErrorMsg[1] = wFORMS.behaviors['validation'].errMsg_alpha; 			
		wFORMS.arrErrorMsg[2] = wFORMS.behaviors['validation'].errMsg_email;		
		wFORMS.arrErrorMsg[3] = wFORMS.behaviors['validation'].errMsg_integer;		
		wFORMS.arrErrorMsg[4] = wFORMS.behaviors['validation'].errMsg_float;
		wFORMS.arrErrorMsg[5] = wFORMS.behaviors['validation'].errMsg_password;
		wFORMS.arrErrorMsg[6] = wFORMS.behaviors['validation'].errMsg_alphanum;
		wFORMS.arrErrorMsg[7] = wFORMS.behaviors['validation'].errMsg_date;
		wFORMS.arrErrorMsg[8] = wFORMS.behaviors['validation'].errMsg_notification;
		
   }
   
//Simon Shah - This function is for the  submit button agreement section


var checkobj

function agreesubmit(el){
checkobj=el
if (document.all||document.getElementById){
for (i=0;i<checkobj.form.length;i++){  //hunt down submit button
var tempobj=checkobj.form.elements[i]
if(tempobj.type.toLowerCase()=="submit")
tempobj.disabled=!checkobj.checked
}
}
}

function defaultagree(el){
if (!document.all&&!document.getElementById){
if (window.checkobj&&checkobj.checked)
return true
else{
alert("Please read/accept terms to submit form")
return false
}
}
}

/*  Prototype JavaScript framework, version 1.5.1_rc1
 *  (c) 2005-2007 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
/*--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.5.1_rc1',

  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1
  },
  BrowserFeatures: {
    XPath: !!document.evaluate,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      (document.createElement('div').__proto__ !==
       document.createElement('form').__proto__)
  },

  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
  emptyFunction: function() {},
  K: function(x) { return x }
}

var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

var Abstract = new Object();

Object.extend = function(destination, source) {
  for (var property in source) {
    destination[property] = source[property];
  }
  return destination;
}

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (object === undefined) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : object.toString();
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch(type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }
    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (object.ownerDocument === document) return;
    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (value !== undefined)
        results.push(property.toJSON() + ':' + value);
    }
    return '{' + results.join(',') + '}';
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({}, object);
  }
});

Function.prototype.bind = function() {
  var __method = this, args = $A(arguments), object = args.shift();
  return function() {
    return __method.apply(object, args.concat($A(arguments)));
  }
}

Function.prototype.bindAsEventListener = function(object) {
  var __method = this, args = $A(arguments), object = args.shift();
  return function(event) {
    return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments)));
  }
}

Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator) {
    $R(0, this, true).each(iterator);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

Date.prototype.toJSON = function() {
  return '"' + this.getFullYear() + '-' +
    (this.getMonth() + 1).toPaddedString(2) + '-' +
    this.getDate().toPaddedString(2) + 'T' +
    this.getHours().toPaddedString(2) + ':' +
    this.getMinutes().toPaddedString(2) + ':' +
    this.getSeconds().toPaddedString(2) + '"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {

      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) {}
    }

    return returnValue;
  }
}

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.callback(this);
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
}
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = count === undefined ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return this;
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = truncation === undefined ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : this;
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = document.createElement('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return {};

    return match[1].split(separator || '&').inject({}, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var name = decodeURIComponent(pair[0]);
        var value = pair[1] ? decodeURIComponent(pair[1]) : undefined;

        if (hash[name] !== undefined) {
          if (hash[name].constructor != Array)
            hash[name] = [hash[name]];
          if (value) hash[name].push(value);
        }
        else hash[name] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    var result = '';
    for (var i = 0; i < count; i++) result += this;
    return result;
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  evalJSON: function(sanitize) {
    try {
      if (!sanitize || (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(this)))
        return eval('(' + this + ')');
    } catch (e) {}
    throw new SyntaxError('Badly formated JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) == 0;
  },

  endsWith: function(pattern) {
    return this.lastIndexOf(pattern) == (this.length - pattern.length);
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (typeof replacement == 'function') return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
}

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

with (String.prototype.escapeHTML) div.appendChild(text);

var Template = Class.create();
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype = {
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern  = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    return this.template.gsub(this.pattern, function(match) {
      var before = match[1];
      if (before == '\\') return match[2];
      return before + String.interpret(object[match[3]]);
    });
  }
}

var $break    = new Object();
var $continue = new Object();

var Enumerable = {
  each: function(iterator) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator(value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator) {
    var index = -number, slices = [], array = this.toArray();
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.map(iterator);
  },

  all: function(iterator) {
    var result = true;
    this.each(function(value, index) {
      result = result && !!(iterator || Prototype.K)(value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator) {
    var result = false;
    this.each(function(value, index) {
      if (result = !!(iterator || Prototype.K)(value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      results.push((iterator || Prototype.K)(value, index));
    });
    return results;
  },

  detect: function(iterator) {
    var result;
    this.each(function(value, index) {
      if (iterator(value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (iterator(value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(pattern, iterator) {
    var results = [];
    this.each(function(value, index) {
      var stringValue = value.toString();
      if (stringValue.match(pattern))
        results.push((iterator || Prototype.K)(value, index));
    })
    return results;
  },

  include: function(object) {
    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = fillWith === undefined ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator) {
    this.each(function(value, index) {
      memo = iterator(memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (result == undefined || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator) {
    var result;
    this.each(function(value, index) {
      value = (iterator || Prototype.K)(value, index);
      if (result == undefined || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator) {
    var trues = [], falses = [];
    this.each(function(value, index) {
      ((iterator || Prototype.K)(value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value, index) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator(value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator) {
    return this.map(function(value, index) {
      return {value: value, criteria: iterator(value, index)};
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (typeof args.last() == 'function')
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
}

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) {
    return iterable.toArray();
  } else {
    var results = [];
    for (var i = 0, length = iterable.length; i < length; i++)
      results.push(iterable[i]);
    return results;
  }
}

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse)
  Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(value && value.constructor == Array ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  indexOf: function(object) {
    for (var i = 0, length = this.length; i < length; i++)
      if (this[i] == object) return i;
    return -1;
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (value !== undefined) results.push(value);
    });
    return '[' + results.join(',') + ']';
  }
});

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (arguments[i].constructor == Array) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  }
}
var Hash = function(object) {
  if (object instanceof Hash) this.merge(object);
  else Object.extend(this, object || {});
};

Object.extend(Hash, {
  toQueryString: function(obj) {
    var parts = [];
    parts.add = arguments.callee.addPair;

    this.prototype._each.call(obj, function(pair) {
      if (!pair.key) return;
      var value = pair.value;

      if (value && typeof value == 'object') {
        if (value.constructor == Array) value.each(function(value) {
          parts.add(pair.key, value);
        });
        return;
      }
      parts.add(pair.key, value);
    });

    return parts.join('&');
  },

  toJSON: function(object) {
    var results = [];
    this.prototype._each.call(object, function(pair) {
      var value = Object.toJSON(pair.value);
      if (value !== undefined) results.push(pair.key.toJSON() + ':' + value);
    });
    return '{' + results.join(',') + '}';
  }
});

Hash.toQueryString.addPair = function(key, value, prefix) {
  if (value == null) return;
  key = encodeURIComponent(key);
  this.push(key + '=' + (value == null ? '' : encodeURIComponent(value)));
}

Object.extend(Hash.prototype, Enumerable);
Object.extend(Hash.prototype, {
  _each: function(iterator) {
    for (var key in this) {
      var value = this[key];
      if (value && value == Hash.prototype[key]) continue;

      var pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  },

  keys: function() {
    return this.pluck('key');
  },

  values: function() {
    return this.pluck('value');
  },

  merge: function(hash) {
    return $H(hash).inject(this, function(mergedHash, pair) {
      mergedHash[pair.key] = pair.value;
      return mergedHash;
    });
  },

  remove: function() {
    var result;
    for(var i = 0, length = arguments.length; i < length; i++) {
      var value = this[arguments[i]];
      if (value !== undefined){
        if (result === undefined) result = value;
        else {
          if (result.constructor != Array) result = [result];
          result.push(value)
        }
      }
      delete this[arguments[i]];
    }
    return result;
  },

  toQueryString: function() {
    return Hash.toQueryString(this);
  },

  inspect: function() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  },

  toJSON: function() {
    return Hash.toJSON(this);
  }
});

function $H(object) {
  if (object instanceof Hash) return object;
  return new Hash(object);
};

// Safari iterates over shadowed properties
if (function() {
  var i = 0, Test = function(value) { this.key = value };
  Test.prototype.key = 'foo';
  for (var property in new Test('bar')) i++;
  return i > 1;
}()) Hash.prototype._each = function(iterator) {
  var cache = [];
  for (var key in this) {
    var value = this[key];
    if ((value && value == Hash.prototype[key]) || cache.include(key)) continue;
    cache.push(key);
    var pair = [key, value];
    pair.key = key;
    pair.value = value;
    iterator(pair);
  }
};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
}

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
}

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (typeof responder[callback] == 'function') {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) {}
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate: function() {
    Ajax.activeRequestCount++;
  },
  onComplete: function() {
    Ajax.activeRequestCount--;
  }
});

Ajax.Base = function() {};
Ajax.Base.prototype = {
  setOptions: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   ''
    }
    Object.extend(this.options, options || {});

    this.options.method = this.options.method.toLowerCase();
    if (typeof this.options.parameters == 'string')
      this.options.parameters = this.options.parameters.toQueryParams();
  }
}

Ajax.Request = Class.create();
Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
  _complete: false,

  initialize: function(url, options) {
    this.transport = Ajax.getTransport();
    this.setOptions(options);
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Hash.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      Ajax.Responders.dispatch('onCreate', this, this.transport);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous)
        setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (typeof extras.push == 'function')
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    return !this.transport.status
        || (this.transport.status >= 200 && this.transport.status < 300);
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState];
    var transport = this.transport, json = this.evalJSON();

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + this.transport.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(transport, json);
      } catch (e) {
        this.dispatchException(e);
      }

      if ((this.getHeader('Content-type') || 'text/javascript').strip().
        match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
          this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
      Ajax.Responders.dispatch('on' + state, this, transport, json);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name);
    } catch (e) { return null }
  },

  evalJSON: function() {
    try {
      var json = this.getHeader('X-JSON');
      return json ? eval('(' + json + ')') : null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval(this.transport.responseText);
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Updater = Class.create();

Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
  initialize: function(container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    }

    this.transport = Ajax.getTransport();
    this.setOptions(options);

    var onComplete = this.options.onComplete || Prototype.emptyFunction;
    this.options.onComplete = (function(transport, param) {
      this.updateContent();
      onComplete(transport, param);
    }).bind(this);

    this.request(url);
  },

  updateContent: function() {
    var receiver = this.container[this.success() ? 'success' : 'failure'];
    var response = this.transport.responseText;

    if (!this.options.evalScripts) response = response.stripScripts();

    if (receiver = $(receiver)) {
      if (this.options.insertion)
        new this.options.insertion(receiver, response);
      else
        receiver.update(response);
    }

    if (this.success()) {
      if (this.onComplete)
        setTimeout(this.onComplete.bind(this), 10);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
  initialize: function(container, url, options) {
    this.setOptions(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = {};
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(request) {
    if (this.options.decay) {
      this.decay = (request.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = request.responseText;
    }
    this.timer = setTimeout(this.onTimerEvent.bind(this),
      this.decay * this.frequency * 1000);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (typeof element == 'string')
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(query.snapshotItem(i));
    return results;
  };

  document.getElementsByClassName = function(className, parentElement) {
    var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
    return document._getElementsByXPath(q, parentElement);
  }

} else document.getElementsByClassName = function(className, parentElement) {
  var children = ($(parentElement) || document.body).getElementsByTagName('*');
  var elements = [], child;
  for (var i = 0, length = children.length; i < length; i++) {
    child = children[i];
    if (Element.hasClassName(child, className))
      elements.push(Element.extend(child));
  }
  return elements;
};

/*--------------------------------------------------------------------------*/

if (!window.Element) var Element = {};

Element.extend = function(element) {
  var F = Prototype.BrowserFeatures;
  if (!element || !element.tagName || element.nodeType == 3 ||
   element._extended || F.SpecificElementExtensions || element == window)
    return element;

  var methods = {}, tagName = element.tagName, cache = Element.extend.cache,
   T = Element.Methods.ByTag;

  // extend methods for all tags (Safari doesn't need this)
  if (!F.ElementExtensions) {
    Object.extend(methods, Element.Methods),
    Object.extend(methods, Element.Methods.Simulated);
  }

  // extend methods for specific tags
  if (T[tagName]) Object.extend(methods, T[tagName]);

  for (var property in methods) {
    var value = methods[property];
    if (typeof value == 'function' && !(property in element))
      element[property] = cache.findOrStore(value);
  }

  element._extended = true;
  return element;
};

Element.extend.cache = {
  findOrStore: function(value) {
    return this[value] = this[value] || function() {
      return value.apply(null, [this].concat($A(arguments)));
    }
  }
};

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    $(element).style.display = 'none';
    return element;
  },

  show: function(element) {
    $(element).style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, html) {
    html = typeof html == 'undefined' ? '' : html.toString();
    $(element).innerHTML = html.stripScripts();
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  },

  replace: function(element, html) {
    element = $(element);
    html = typeof html == 'undefined' ? '' : html.toString();
    if (element.outerHTML) {
      element.outerHTML = html.stripScripts();
    } else {
      var range = element.ownerDocument.createRange();
      range.selectNodeContents(element);
      element.parentNode.replaceChild(
        range.createContextualFragment(html.stripScripts()), element);
    }
    setTimeout(function() {html.evalScripts()}, 10);
    return element;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $A($(element).getElementsByTagName('*'));
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (typeof selector == 'string')
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    var ancestors = $(element).ancestors();
    return expression ? Selector.findElement(ancestors, expression, index) :
      ancestors[index || 0];
  },

  down: function(element, expression, index) {
    var descendants = $(element).descendants();
    return expression ? Selector.findElement(descendants, expression, index) :
      descendants[index || 0];
  },

  previous: function(element, expression, index) {
    var previousSiblings = $(element).previousSiblings();
    return expression ? Selector.findElement(previousSiblings, expression, index) :
      previousSiblings[index || 0];
  },

  next: function(element, expression, index) {
    var nextSiblings = $(element).nextSiblings();
    return expression ? Selector.findElement(nextSiblings, expression, index) :
      nextSiblings[index || 0];
  },

  getElementsBySelector: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  getElementsByClassName: function(element, className) {
    return document.getElementsByClassName(className, element);
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      if (!element.attributes) return null;
      var t = Element._attributeTranslations;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name])  name = t.names[name];
      var attribute = element.attributes[name];
      return attribute ? attribute.nodeValue : null;
    }
    return element.getAttribute(name);
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    if (elementClassName.length == 0) return false;
    if (elementClassName == className ||
        elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
      return true;
    return false;
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element).add(className);
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element).remove(className);
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
    return element;
  },

  observe: function() {
    Event.observe.apply(Event, arguments);
    return $A(arguments).first();
  },

  stopObserving: function() {
    Event.stopObserving.apply(Event, arguments);
    return $A(arguments).first();
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    while (element = element.parentNode)
      if (element == ancestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = Position.cumulativeOffset(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value) {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles, camelized) {
    element = $(element);
    var elementStyle = element.style;

    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property])
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
          (camelized ? property : property.camelize())] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = $(element).getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = element.style.overflow || 'auto';
    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  }
};

Object.extend(Element.Methods, {childOf: Element.Methods.descendantOf});

if (Prototype.Browser.Opera) {
  Element.Methods._getStyle = Element.Methods.getStyle;
  Element.Methods.getStyle = function(element, style) {
    switch(style) {
      case 'left':
      case 'top':
      case 'right':
      case 'bottom':
        if (Element._getStyle(element, 'position') == 'static') return null;
      default: return Element._getStyle(element, style);
    }
  };
}
else if (Prototype.Browser.IE) {
  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset'+style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      style.filter = filter.replace(/alpha\([^\)]*\)/gi,'');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  // IE is missing .innerHTML support for TABLE-related elements
  Element.Methods.update = function(element, html) {
    element = $(element);
    html = typeof html == 'undefined' ? '' : html.toString();
    var tagName = element.tagName.toUpperCase();
    if (['THEAD','TBODY','TR','TD'].include(tagName)) {
      var div = document.createElement('div');
      switch (tagName) {
        case 'THEAD':
        case 'TBODY':
          div.innerHTML = '<table><tbody>' +  html.stripScripts() + '</tbody></table>';
          depth = 2;
          break;
        case 'TR':
          div.innerHTML = '<table><tbody><tr>' +  html.stripScripts() + '</tr></tbody></table>';
          depth = 3;
          break;
        case 'TD':
          div.innerHTML = '<table><tbody><tr><td>' +  html.stripScripts() + '</td></tr></tbody></table>';
          depth = 4;
      }
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      depth.times(function() { div = div.firstChild });
      $A(div.childNodes).each(function(node) { element.appendChild(node) });
    } else {
      element.innerHTML = html.stripScripts();
    }
    setTimeout(function() { html.evalScripts() }, 10);
    return element;
  }
}
else if (Prototype.Browser.Gecko) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

Element._attributeTranslations = {
  names: {
    colspan:   "colSpan",
    rowspan:   "rowSpan",
    valign:    "vAlign",
    datetime:  "dateTime",
    accesskey: "accessKey",
    tabindex:  "tabIndex",
    enctype:   "encType",
    maxlength: "maxLength",
    readonly:  "readOnly",
    longdesc:  "longDesc"
  },
  values: {
    _getAttr: function(element, attribute) {
      return element.getAttribute(attribute, 2);
    },
    _flag: function(element, attribute) {
      return $(element).hasAttribute(attribute) ? attribute : null;
    },
    style: function(element) {
      return element.style.cssText.toLowerCase();
    },
    title: function(element) {
      var node = element.getAttributeNode('title');
      return node.specified ? node.nodeValue : null;
    }
  }
};

(function() {
  Object.extend(this, {
    href: this._getAttr,
    src:  this._getAttr,
    disabled: this._flag,
    checked:  this._flag,
    readonly: this._flag,
    multiple: this._flag
  });
}).call(Element._attributeTranslations.values);

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    var t = Element._attributeTranslations, node;
    attribute = t.names[attribute] || attribute;
    node = $(element).getAttributeNode(attribute);
    return node && node.specified;
  }
};

Element.Methods.ByTag = {};

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
 document.createElement('div').__proto__) {
  window.HTMLElement = {};
  window.HTMLElement.prototype = document.createElement('div').__proto__;
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || {});
  else {
    if (tagName.constructor == Array) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = {};
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    var cache = Element.extend.cache;
    for (var property in methods) {
      var value = methods[property];
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = cache.findOrStore(value);
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = {};
    window[klass].prototype = document.createElement(tagName).__proto__;
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (typeof klass == "undefined") continue;
      copy(T[tag], klass.prototype);
    }
  }
};

var Toggle = { display: Element.toggle };

/*--------------------------------------------------------------------------*/

Abstract.Insertion = function(adjacency) {
  this.adjacency = adjacency;
}

Abstract.Insertion.prototype = {
  initialize: function(element, content) {
    this.element = $(element);
    this.content = content.stripScripts();

    if (this.adjacency && this.element.insertAdjacentHTML) {
      try {
        this.element.insertAdjacentHTML(this.adjacency, this.content);
      } catch (e) {
        var tagName = this.element.tagName.toUpperCase();
        if (['TBODY', 'TR'].include(tagName)) {
          this.insertContent(this.contentFromAnonymousTable());
        } else {
          throw e;
        }
      }
    } else {
      this.range = this.element.ownerDocument.createRange();
      if (this.initializeRange) this.initializeRange();
      this.insertContent([this.range.createContextualFragment(this.content)]);
    }

    setTimeout(function() {content.evalScripts()}, 10);
  },

  contentFromAnonymousTable: function() {
    var div = document.createElement('div');
    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
    return $A(div.childNodes[0].childNodes[0].childNodes);
  }
}

var Insertion = new Object();

Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
  initializeRange: function() {
    this.range.setStartBefore(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment, this.element);
    }).bind(this));
  }
});

Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(true);
  },

  insertContent: function(fragments) {
    fragments.reverse(false).each((function(fragment) {
      this.element.insertBefore(fragment, this.element.firstChild);
    }).bind(this));
  }
});

Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
  initializeRange: function() {
    this.range.selectNodeContents(this.element);
    this.range.collapse(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.appendChild(fragment);
    }).bind(this));
  }
});

Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
  initializeRange: function() {
    this.range.setStartAfter(this.element);
  },

  insertContent: function(fragments) {
    fragments.each((function(fragment) {
      this.element.parentNode.insertBefore(fragment,
        this.element.nextSibling);
    }).bind(this));
  }
});

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);
var Selector = Class.create();

Selector.prototype = {
  initialize: function(expression) {
    this.expression = expression.strip();
    this.compileMatcher();
  },

  compileMatcher: function() {
    // Selectors with namespaced attributes can't use the XPath version
    if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression))
      return this.compileXPathMatcher();

    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e]; return;
    }
    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(typeof c[i] == 'function' ? c[i](m) :
    	      new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, p, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(typeof x[i] == 'function' ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
    return this.matcher(root);
  },

  match: function(element) {
    return this.findElements(document).include(element);
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
};

Object.extend(Selector, {
  _cache: {},

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: "[@#{1}]",
    attr: function(m) {
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (typeof h === 'function') return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
      'checked':     "[@checked]",
      'disabled':    "[@disabled]",
      'enabled':     "[not(@disabled)]",
      'not': function(m) {
        if (!m[6]) return '';
        var p = Selector.patterns, x = Selector.xpath;
        for (var i in p) {
          if (mm = m[6].match(p[i])) {
            var ss = typeof x[i] == 'function' ? x[i](mm) : new Template(x[i]).evaluate(mm);
            m[6] = ss.substring(1, ss.length - 1);
            break;
          }
        }
        return "[not(" + m[6] + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(predicate, m) {
        var mm, formula = m[6];
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          predicate += "= " + mm[1];
        if (mm = formula.match(/^(\d+)?n(\+(\d+))?/)) { // an+b
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[3] ? Number(mm[3]) : 0;
          predicate += "mod " + a + " = " + b;
        }
        return "[" + predicate + "]";
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);   c = false;',
    className:    'n = h.className(n, r, "#{1}", c); c = false;',
    id:           'n = h.id(n, r, "#{1}", c);        c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
    attr: function(m) {
      m[3] = m[5] || m[6];
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
    },
    pseudo:       'n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;',
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:       /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$)/,
    attrPresence: /^\[([\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._counted = true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._counted = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._counted = true;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [nodes[0]], n;
      nodes[0]._counted = true;
      for (var i = 0, l = nodes.length; i < l; i++) {
        n = nodes[i];
        if (!n._counted) {
          n._counted = true;
          results.push(Element.extend(n));
        }
      }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.descendants(node));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.immediateDescendants(node));
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
	      if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      tagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() == tagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!nodes && root == document) return targetNode ? [targetNode] : [];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;

        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr) {
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator) {
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (combinator) nodes = this[combinator](nodes);
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._counted) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(\d+)?n(\+(\d+))?$/)) { // an+b
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[3] ? Number(m[3]) : 0;
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex % a == b) results.push(node);
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, exclusions = $A(nodes), selectorType, m;
      for (var i in Selector.patterns) {
        if (m = selector.match(Selector.patterns[i])) {
          selectorType = i; break;
        }
      }
      switch(selectorType) {
        case 'className': case 'tagName': case 'id': // fallthroughs
        case 'attrPresence': exclusions = h[selectorType](exclusions, root, m[1], false); break;
        case 'attr': m[3] = m[5] || m[6]; exclusions = h.attr(exclusions, root, m[1], m[3], m[2]); break;
        case 'pseudo': exclusions = h.pseudo(exclusions, m[1], m[6], root, false); break;
        // only 'simple selectors' (one token) allowed in a :not clause
        default: throw 'Illegal selector in :not clause.';
      }
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._counted) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled) results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv.startsWith(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
  },

  matchElements: function(elements, expression) {
    var matches = new Selector(expression).findElements(), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._counted) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (typeof expression == 'number') {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    var exprs = expressions.join(','), expressions = [];
    exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, getHash) {
    var data = elements.inject({}, function(result, element) {
      if (!element.disabled && element.name) {
        var key = element.name, value = $(element).getValue();
        if (value != null) {
         	if (key in result) {
            if (result[key].constructor != Array) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return getHash ? data : Hash.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, getHash) {
    return Form.serializeElements(Form.getElements(form), getHash);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    form.getElements().each(function(element) {
      element.blur();
      element.disabled = 'true';
    });
    return form;
  },

  enable: function(form) {
    form = $(form);
    form.getElements().each(function(element) {
      element.disabled = '';
    });
    return form;
  },

  findFirstElement: function(form) {
    return $(form).getElements().find(function(element) {
      return element.type != 'hidden' && !element.disabled &&
        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || {});

    var params = options.parameters;
    options.parameters = form.serialize(true);

    if (params) {
      if (typeof params == 'string') params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(form.action, options);
  }
}

Object.extend(Form, Form.Methods);

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
}

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = {};
        pair[element.name] = value;
        return Hash.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
        !['button', 'reset', 'submit'].include(element.type)))
        element.select();
    } catch (e) {}
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.blur();
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
}

Object.extend(Form.Element, Form.Element.Methods);
Object.extend(Element.Methods.ByTag, {
  "FORM":     Object.clone(Form.Methods),
  "INPUT":    Object.clone(Form.Element.Methods),
  "SELECT":   Object.clone(Form.Element.Methods),
  "TEXTAREA": Object.clone(Form.Element.Methods)
});

/*--------------------------------------------------------------------------*/

var Field = Form.Element;
var $F = Form.Element.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element);
      default:
        return Form.Element.Serializers.textarea(element);
    }
  },

  inputSelector: function(element) {
    return element.checked ? element.value : null;
  },

  textarea: function(element) {
    return element.value;
  },

  select: function(element) {
    return this[element.type == 'select-one' ?
      'selectOne' : 'selectMany'](element);
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    // extend element because hasAttribute may not be native
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
}

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = function() {}
Abstract.TimedObserver.prototype = {
  initialize: function(element, frequency, callback) {
    this.frequency = frequency;
    this.element   = $(element);
    this.callback  = callback;

    this.lastValue = this.getValue();
    this.registerCallback();
  },

  registerCallback: function() {
    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  onTimerEvent: function() {
    var value = this.getValue();
    var changed = ('string' == typeof this.lastValue && 'string' == typeof value
      ? this.lastValue != value : String(this.lastValue) != String(value));
    if (changed) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
}

Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = function() {}
Abstract.EventObserver.prototype = {
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback.bind(this));
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
}

Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) {
  var Event = new Object();
}

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,

  element: function(event) {
    return event.target || event.srcElement;
  },

  isLeftClick: function(event) {
    return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
  },

  pointerX: function(event) {
    return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
  },

  pointerY: function(event) {
    return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
  },

  stop: function(event) {
    if (event.preventDefault) {
      event.preventDefault();
      event.stopPropagation();
    } else {
      event.returnValue = false;
      event.cancelBubble = true;
    }
  },

  // find the first node with the given tagName, starting from the
  // node the event was triggered on; traverses the DOM upwards
  findElement: function(event, tagName) {
    var element = Event.element(event);
    while (element.parentNode && (!element.tagName ||
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
      element = element.parentNode;
    return element;
  },

  observers: false,

  _observeAndCache: function(element, name, observer, useCapture) {
    if (!this.observers) this.observers = [];
    if (element.addEventListener) {
      this.observers.push([element, name, observer, useCapture]);
      element.addEventListener(name, observer, useCapture);
    } else if (element.attachEvent) {
      this.observers.push([element, name, observer, useCapture]);
      element.attachEvent('on' + name, observer);
    }
  },

  unloadCache: function() {
    if (!Event.observers) return;
    for (var i = 0, length = Event.observers.length; i < length; i++) {
      Event.stopObserving.apply(this, Event.observers[i]);
      Event.observers[i][0] = null;
    }
    Event.observers = false;
  },

  observe: function(element, name, observer, useCapture) {
    element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
      (Prototype.Browser.WebKit || element.attachEvent))
      name = 'keydown';

    Event._observeAndCache(element, name, observer, useCapture);
  },

  stopObserving: function(element, name, observer, useCapture) {
    element = $(element);
    useCapture = useCapture || false;

    if (name == 'keypress' &&
        (Prototype.Browser.WebKit || element.attachEvent))
      name = 'keydown';

    if (element.removeEventListener) {
      element.removeEventListener(name, observer, useCapture);
    } else if (element.detachEvent) {
      try {
        element.detachEvent('on' + name, observer);
      } catch (e) {}
    }
  }
});

/* prevent memory leaks in IE */
if (Prototype.Browser.IE)
  Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  realOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return [valueL, valueT];
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return [valueL, valueT];
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if(element.tagName=='BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p == 'relative' || p == 'absolute') break;
      }
    } while (element);
    return [valueL, valueT];
  },

  offsetParent: function(element) {
    if (element.offsetParent) return element.offsetParent;
    if (element == document.body) return element;

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return element;

    return document.body;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = this.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = this.realOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = this.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  page: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body)
        if (Element.getStyle(element,'position')=='absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!window.opera || element.tagName=='BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return [valueL, valueT];
  },

  clone: function(source, target) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || {})

    // find page position of source
    source = $(source);
    var p = Position.page(source);

    // find coordinate system to use
    target = $(target);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(target,'position') == 'absolute') {
      parent = Position.offsetParent(target);
      delta = Position.page(parent);
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
  },

  absolutize: function(element) {
    element = $(element);
    if (element.style.position == 'absolute') return;
    Position.prepare();

    var offsets = Position.positionedOffset(element);
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
  },

  relativize: function(element) {
    element = $(element);
    if (element.style.position == 'relative') return;
    Position.prepare();

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
  }
}

// Safari returns margins on body which is incorrect if the child is absolutely
// positioned.  For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (Prototype.Browser.WebKit) {
  Position.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return [valueL, valueT];
  }
}

Element.addMethods();