var x=0;



var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

function ajaxpage(url, containerid){
	var page_request = false
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest()
	else if (window.ActiveXObject){ // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else
	return false
		page_request.onreadystatechange=function(){
			loadpage(page_request, containerid)
		}
	if (bustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
		page_request.open('GET', url+bustcacheparameter, true)
		page_request.send(null)
}

function loadpage(page_request, containerid){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
	document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
	if (!document.getElementById)
	return
	for (i=0; i<arguments.length; i++){
		var file=arguments[i]
		var fileref=""
		if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
			if (file.indexOf(".js")!=-1){ //If object is a js file
				fileref=document.createElement('script')
				fileref.setAttribute("type","text/javascript");
				fileref.setAttribute("src", file);
			}
			else if (file.indexOf(".css")!=-1){ //If object is a css file
				fileref=document.createElement("link")
				fileref.setAttribute("rel", "stylesheet");
				fileref.setAttribute("type", "text/css");
				fileref.setAttribute("href", file);
			}
		}
		if (fileref!=""){
			document.getElementsByTagName("head").item(0).appendChild(fileref)
			loadedobjects+=file+" " //Remember this object as being already added to page
		}
	}
}



function onload(id, load){
	if (!load&&document.getElementById(id)){
		document.getElementById(id).id='';
		return;
	}
	else if (load&&document.getElementById(id)){ // id aan onload functie koppelen. 1 onload per pag. ERROR google chrome
		if (id=='nieuwstitel_array')
		{
			onload_nieuws();
		}
		return;
	}
	else if (load&&!document.getElementById(id))
	setTimeout("onload('"+id+"', 'load')", 60);
}





function setvar(d)
{
	x=d;
	ajaxpage('nieuws.html', 'main_container');
}



function onload_nieuws(){
	toggle(x);
}



function toggle(d)
{
	var o=document.getElementById(d);
	o.style.display=(o.style.display=='none')?'block':'none';
}