/* 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);

/* laat top zien bij klikken in vacatures (iframe) */
function gotoTop(){
	document.getElementById("peoplexs_vacancyportal_iframe").focus();
}