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';
	//document.getElementById('imageenlarger').style.top = window.event.clientY + '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';
		}
	}
 	
	
 }