// JavaScript Document


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

Updated : 29-07-2006

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


/* addEvent: simplified event attachment */
function _addEvent( obj, type, fn ){ 
		if (obj.addEventListener){ 
				obj.addEventListener( type, fn, false );
		}
		else 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] ); 
		}
}


function addEvent( obj, type, fn ) {
	// VCW: added if (obj) to prevent javascript error
	if (obj) {
    if (obj.addEventListener) {
		  obj.addEventListener( type, fn, false );
		  EventCache.add(obj, type, fn);
	  }
	  else 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] );
		  EventCache.add(obj, type, fn);
	  }
	  else {
		  obj["on"+type] = obj["e"+type+fn];
	  }
	}
}
	
var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();
addEvent(window,'unload',EventCache.flush);

/* window 'load' attachment */
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

/* grab Elements from the DOM by className */
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	var i,j;
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}





/* quick getElement reference */
function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}





















//onload functie voor tabs in pagina
addLoadEvent(faqsToggle)
function faqsToggle(){
	//var faqsclass = getElementsByClass('faq',null,'DIV');
	//for (var i=0;i<faqsclass.length;i++){
		var faqs = getElementsByClass('vraag',null,'DIV');
		var answers = getElementsByClass('antwoord',null,'DIV');
		for (var i=0;i<faqs.length;i++){
			faqs[i].number=i
			faqs[i].answer=answers[i]
			faqs[i].title='klik om het antwoord te openen'
			addEvent (faqs[i],'mousedown',faqsDown);
			addEvent (faqs[i],'mouseover',faqsOver);
			addEvent (faqs[i],'mouseout',faqsOut);
			
		}
	//}
}

function faqsDown(){
	//alert(this.className)
	
	//alert(answers.length)
	if(this.className=='vraag' ){
		this.className='vraagopen';
		this.title='klik om het antwoord te sluiten';
		this.answer.className='antwoordopen';
		//alert(answers[this.number].className)
	}
	else if (this.className=='vraagopen'){
	
	this.className='vraag';
	this.answer.className='antwoord';
	this.title='klik om het antwoord te openen'
	}
}

function faqsOver(){
	this.style.textDecoration='underline';
}

function faqsOut(){
	this.style.textDecoration='none';
}