function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

function showelements(geselecteerde){
	var listgridarray = getElementsByAttribute(document,"A","u:menu_jaager","true");
					
	for(var i =0;i < listgridarray.length; i++){
		
		if(i==geselecteerde){
			document.getElementById(listgridarray[i]['id']).style.color= "#D29D00";			
		} else if(i==geselecteerde-1){
			document.getElementById(listgridarray[i]['id']).style.color= "#8E8B81";						
		} else if(i==geselecteerde+1){
			document.getElementById(listgridarray[i]['id']).style.color= "#8E8B81";
		} else{
			
			document.getElementById(listgridarray[i]['id']).style.color= "#817E7E";
		}
	}
}

function showpijl(geselecteerde){
	var listgridarray = getElementsByAttribute(document,"DIV","u:menu_pijl","true");
	for(var i =0;i < listgridarray.length; i++){
		if(geselecteerde==i){
			document.getElementById(listgridarray[i]['id']).style.visibility= "visible";	
		} else {
			document.getElementById(listgridarray[i]['id']).style.visibility= "hidden";	
		}
	}
}

function verdonker(item){
	document.getElementById(item).style.MozOpacity="1";
	document.getElementById(item).style.filter = 'alpha(opacity= 100)';
}

function verlicht(item){
	document.getElementById(item).style.MozOpacity="0.8";
	document.getElementById(item).style.filter = 'alpha(opacity= 80)';
}



function toTop(id){ 
document.getElementById(id).scrollTop=0;
} 

defaultStep=4;
step=defaultStep;
function scrollDivDown(id){ 
document.getElementById(id).scrollTop+=step;
timerDown=setTimeout("scrollDivDown('"+id+"')",10); 
} 

function scrollDivUp(id){ 
document.getElementById(id).scrollTop-=step; 
timerUp=setTimeout("scrollDivUp('"+id+"')",10); 
} 

function toBottom(id){ 
document.getElementById(id).scrollTop=document.getElementById(id).scrollHeight;
} 

function toPoint(id){ 
document.getElementById(id).scrollTop=100;
} 
timerDown="";  
timerUp=""; 
function stopMe(){ 
clearTimeout(timerDown);  
clearTimeout(timerUp); 
//alert('stop');
} 

//document.onmousemove=function(){stopMe()}  


timerLeft=""; 
timerRight=""; 

function stopMehor(){ 
clearTimeout(timerLeft);  
clearTimeout(timerRight); 
}

function scrollDivRight(id){ 
	timerLeft=""; 
document.getElementById(id).scrollLeft+=step; 
timerRight=setTimeout("scrollDivRight('"+id+"')",10); 
} 

function scrollDivLeft(id){
	timerRight=""; 
document.getElementById(id).scrollLeft-=step; 
timerLeft=setTimeout("scrollDivLeft('"+id+"')",10); 
} 

function toRight(id){ 
document.getElementById(id).scrollLeft=document.getElementById(id).scrollWidth; 
} 

function hoofdmenu(id){
	
	var listgridarray = getElementsByAttribute(document,"IMG","u:hoofdmenu","true");
	for(var i =0;i < listgridarray.length; i++){
		if(id==listgridarray[i]['id']){
			document.getElementById(listgridarray[i]['id']).src= "buttons/"+listgridarray[i]['id']+"_on.jpg";
			document.getElementById(listgridarray[i]['id']).height= "33";	
			document.getElementById(listgridarray[i]['id']).width= "103";
		} else {
			document.getElementById(listgridarray[i]['id']).src= "buttons/"+listgridarray[i]['id']+"_off.jpg";
			document.getElementById(listgridarray[i]['id']).height= "31";
			document.getElementById(listgridarray[i]['id']).width= "103";		
		}
	}	
}

function hoofdmenu_over(id){
	
	var listgridarray = getElementsByAttribute(document,"IMG","u:hoofdmenu","true");
	for(var i =0;i < listgridarray.length; i++){
		if(id==listgridarray[i]['id']){
			document.getElementById(listgridarray[i]['id']).height= "33";	
			document.getElementById(listgridarray[i]['id']).width= "103";
		} else {
			document.getElementById(listgridarray[i]['id']).height= "31";
			document.getElementById(listgridarray[i]['id']).width= "103";		
		}
	}	
}

function small_all(){
	var listgridarray = getElementsByAttribute(document,"IMG","u:hoofdmenu","true");
	for(var i =0;i < listgridarray.length; i++){
		document.getElementById(listgridarray[i]['id']).height= "31";
		document.getElementById(listgridarray[i]['id']).width= "103";	
		
	}		
}






/** This is high-level function; REPLACE IT WITH YOUR CODE.
 * It must react to delta being more/less than zero.
 */
//function handle(delta) {
//	if (delta < 0)
//		scrollDivDown('test');
//	else
//		scrollDivUp('test');
//}
//
//function wheel(event){
//	var delta = 0;
//	if (!event) event = window.event;
//	if (event.wheelDelta) {
//		delta = event.wheelDelta/120; 
//		if (window.opera) delta = -delta;
//	} else if (event.detail) {
//		delta = -event.detail/3;
//	}
//	if (delta)
//		handle(delta);
//        if (event.preventDefault)
//                event.preventDefault();
//        event.returnValue = false;
//}
//
//function autoscroll(){
//	if (window.addEventListener)
//		window.addEventListener('DOMMouseScroll', wheel, false);
//	window.onmousewheel = document.onmousewheel = wheel;
//	
//	/** IE/Opera. */
//	window.onmousewheel = document.onmousewheel = wheel;	
//}