function toggle( targetId )
 {
 	 if (document.getElementById)
 	 {
        target = document.getElementById( targetId );
		
        if (target.style.display == "none" || target.style.display == "")
        {
        	
              target.style.display = "block";
        } 
        else 
        {
        	
              target.style.display = "none";
        }
     }
 }
// specifiek voor de imagelader in allfor`1 
 function bigimage(url)
 {
 	
 	toggle('loader');
 	if(navigator.vendor == "Apple Computer, Inc.")
 	{
 		toggle('imageenlarger');
	}
	else
	{
 		toggle("loader");
	}
 	document.getElementById('groot-image').src = url;
 	
 	
 }
 
 function imageloaded()
 {
 	var imageWidth = document.getElementById('groot-image').width;
	

 	
 	if (parseInt(navigator.appVersion)>3) {
	 if (navigator.appName=="Netscape") {
	  winW = window.innerWidth-16;
	 
	 }
	 if (navigator.appName.indexOf("Microsoft")!=-1) {
	  winW = document.body.offsetWidth-20;
	  
	 }
	}
		
	var imageLeft = (winW - imageWidth) /2


	document.getElementById('imageenlarger').style.left = imageLeft + 'px';
 	if(navigator.vendor != "Apple Computer, Inc.")
 	{
	 	toggle('imageenlarger');
	 	toggle('loader');
 	}
 	
 	if(imageWidth==0 || imageWidth=='')
	{
		if(document.getElementById('imageenlarger').offsetWidth)
		{
			var imageLeft = (winW - document.getElementById('imageenlarger').offsetWidth) /2
			document.getElementById('imageenlarger').style.left = imageLeft + 'px';
		}
	}
 	
 }
 
 function ajaxLoader(url,id) {
 	
				 el = document.getElementById(id);
			        el.innerHTML = '<img src="templates/img/loading.gif" alt="ajaxpage loading" />';
			  if (document.getElementById) {
			    var x = (window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
			  }
			  if (x) {
			    x.onreadystatechange = function() {
			      if (x.readyState == 4 && x.status == 200) {
			     
			        el.innerHTML = x.responseText;
			      }
			    }
			    x.open("GET", url, true);
			    x.send(null);
			  }
			}
			
			
function hideAllSubmenu()
{
	document.getElementById('subnieuws').style.display='none';
	document.getElementById('subagenda').style.display='none';
	document.getElementById('subfolia').style.display='none';
	document.getElementById('subrubrieken').style.display='none';
	
	
}
function submenu(id)
{
	hideAllSubmenu();
	var element;
	element = document.getElementById(id);
	element.style.display='';
}