// 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;
			}
			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.processedForm = document.forms[i];
			  wFORMS.addBehaviors(document.forms[i]);
		  }
	  },
	  
	  addBehaviors : function (node) {
		 if(!node) return;
		 
		 var deep = arguments[1]?arguments[1]:true;
		 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) { 
			  for(var behaviorName in wFORMS.behaviors) {
				  wFORMS.behaviors[behaviorName].evaluate(node);
			  }
			 
			  if(deep) {
				  for (var i=0, l=node.childNodes.length, cn=node.childNodes; i<l; i++) {
				  	 if(cn[i].nodeType==1)
					 	wFORMS._addBehaviors(cn[i], deep);
				  }
			  }
			  
			  if(node.tagName.toUpperCase() == 'FORM') {
				  // wFORMS.debug('wForms/processed: ' + node.id);
				  // run the init stack
				  for (var i=0;i<wFORMS.onLoadComplete.length;i++) {
					  wFORMS.onLoadComplete[i]();
				  }
				  // 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);
  } 

// ------------------------------------------------------------------------------------------
// 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();
					
					//wFORMS.debug('switch/evaluate: '+ node.className + ' ' + node.tagName);
					
					// 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[switchNames[i]]) 
							wFORMS.switchTriggers[switchNames[i]] = new Array();
						if(!wFORMS.switchTriggers[switchNames[i]][node.id])
							wFORMS.switchTriggers[switchNames[i]].push(node.id);
						//wFORMS.debug('switch/evaluate: [trigger] '+ switchNames[i] + ' ' + node.id,3);
					}

					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();
					
					// 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[switchNames[i]]) 
							wFORMS.switchTargets[switchNames[i]] = new Array();
						if(!wFORMS.switchTargets[switchNames[i]][node.id]) 
							wFORMS.switchTargets[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 for this form have been applied
					//wFORMS.debug('switch/push init');
					wFORMS.onLoadComplete.push(wFORMS.behaviors['switch'].init); 
				}
           },
		   
		   // ------------------------------------------------------------------------------------------
           // init: executed once evaluate has been applied to all elements
		   // ------------------------------------------------------------------------------------------	   
		   init: function() {
			   // go through all switch triggers and activate those who are already ON
			   //wFORMS.debug('switch/init: '+ (wFORMS.switchTriggers.length));
			   for(var switchName in wFORMS.switchTriggers) {
					// go through all triggers for the current switch
					for(var i=0; i< wFORMS.switchTriggers[switchName].length; i++) {		   
					   	var element = document.getElementById(wFORMS.switchTriggers[switchName][i]);
						//wFORMS.debug('switch/init: ' + element + ' ' + switchName , 5);	
					   	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);	

				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]);
					for(var j=0;j<elements.length;j++) {
																									
						// only turn off a target if all its triggers are off
						var triggers = wFORMS.switchTriggers[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]);
					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(e) {
             	// @TODO: go through wFORMS.switchTriggers to remove events.
             	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) {
				var elements = new Array();
				if(wFORMS.switchTargets[switchName]) {
					for (var i=0; i<wFORMS.switchTargets[switchName].length; i++) {
						var element = document.getElementById(wFORMS.switchTargets[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

  	   
   }