if (top.frames.length!=0)  top.location=self.document.location;
function openElearning(cursus) {
	var presentatie82 = window.open('/elearning/presentatie82.jsp?cursus='+cursus, 'presentatie82','width=750,height=540, location=no,menubar=no,status=no,resizable=no,scrollbars=no');
};
function viewobjdry(id) {
	var popup = window.open('viewobjdry.jsp?id='+id, 'viewobjdry','width=750,height=540, location=no,menubar=no,status=no,resizable=no,scrollbars=no');
};
function newwindow(url) {
	var popup = window.open(url, 'newwindow','width=780,height=540,location=yes,menubar=yes,status=yes,resizable=yes,scrollbars=yes');
};
function scrollRef(id,positie) {
	var ref = window.open('scrollref.jsp?id='+id+'&positie='+positie, 'ref','width=400,height=300, location=no,menubar=no,status=no,resizable=no,scrollbars=no');
};
function mwTag(tag,keyword,extra,refresh){
	DocURL = document.URL;
	protocolIndex=DocURL.indexOf("://");
	scheme = DocURL.substring(0,protocolIndex);
	if (scheme=='http') {
		serverIndex=DocURL.indexOf("/",protocolIndex + 3);
		domein=DocURL.substring(protocolIndex + 3 ,serverIndex);
		if (domein.indexOf("www.")!=-1) metriwebTag(tag,keyword,extra,refresh);
	}
}
//function addLoadEvent(func) { var oldonload = window.onload; if (typeof window.onload != 'function') { window.onload = func; } else { window.onload = function() { if (oldonload) { oldonload(); } func(); }}}
/*function addEvent( obj, type, fn ) {
	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);*/
function addEvent(element, type, handler) {
	if (element.addEventListener) {
		element.addEventListener(type, handler, false);
	} else {
		// assign each event handler a unique ID
		if (!handler.$$guid) handler.$$guid = addEvent.guid++;
		// create a hash table of event types for the element
		if (!element.events) element.events = {};
		// create a hash table of event handlers for each element/event pair
		var handlers = element.events[type];
		if (!handlers) {
			handlers = element.events[type] = {};
			// store the existing event handler (if there is one)
			if (element["on" + type]) {
				handlers[0] = element["on" + type];
			}
		}
		// store the event handler in the hash table
		handlers[handler.$$guid] = handler;
		// assign a global event handler to do all the work
		element["on" + type] = handleEvent;
	}
};
// a counter used to create unique IDs
addEvent.guid = 1;

function removeEvent(element, type, handler) {
	if (element.removeEventListener) {
		element.removeEventListener(type, handler, false);
	} else {
		// delete the event handler from the hash table
		if (element.events && element.events[type]) {
			delete element.events[type][handler.$$guid];
		}
	}
};

function handleEvent(event) {
	var returnValue = true;
	// grab the event object (IE uses a global event object)
	event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);
	// get a reference to the hash table of event handlers
	var handlers = this.events[event.type];
	// execute each event handler
	for (var i in handlers) {
		this.$$handleEvent = handlers[i];
		if (this.$$handleEvent(event) === false) {
			returnValue = false;
		}
	}
	return returnValue;
};

function fixEvent(event) {
	// add W3C standard event methods
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
};
fixEvent.preventDefault = function() {
	this.returnValue = false;
};
fixEvent.stopPropagation = function() {
	this.cancelBubble = true;
};
//hou het compatibel met mijn vorige scripting
function addLoadEvent(func) {addEvent(window,'load',func);};

function focused(){
	var formCollection = document.getElementsByTagName("form");
	for (var i=0; i<formCollection.length; i++){
		if (formCollection[i].getAttribute('class')=='focused'||formCollection[i].getAttribute('className')=='focused'){
			var theForm = formCollection[i];
			for(j=0; j<theForm.elements.length; j++){
				if(theForm.elements[j].type == "text" || theForm.elements[j].type == "textarea" || theForm.elements[j].type == "select-one"){
					theForm.elements[j].onfocus = function (){
						classname = "focused";
						this.setAttribute('class',classname);
						this.setAttribute('className',classname);
					};
					theForm.elements[j].onblur = function (){
						classname = "";
						this.setAttribute('class',classname);
						this.setAttribute('className',classname);
					};
				}
			}
		}
	}
};