var mouseOverthemabalk  = new Array();
var mouseOutthemabalk   = new Array();
var mouseOverbondsbalk  = new Array();
var mouseOutbondsbalk   = new Array();
var aantalbondsbalkimg  = new Array();
var navklap             = new Array();
var posnavklap = new Array('6px','88px','163px','231px','343px','393px','440px','486px','559px');
var menutime;


function menu_init()
{
   //voor de bondsbalk klapper
   if (!is.dom) return;

   var themabalk     = document.getElementById('themabalk');
   var imgsthemabalk = themabalk.getElementsByTagName('img');
   var bondsbalk     = document.getElementById('bondsbalk');
   var imgsbondsbalk = bondsbalk.getElementsByTagName('img');

   //voor de navigatie klapper
   for (var i = 0; i < imgsbondsbalk.length; i++)
   {
         navklap[i] = document.getElementById('navklap'+i);
         navklap[i].style.left = posnavklap[i];
   }

   for (var i = 0; i < imgsbondsbalk.length; i++)
   {
        if(imgsbondsbalk[i].parentNode.className=='dropdown')
        {
                for (var j = i +1; j < imgsbondsbalk.length; j++) {
	                 navklap[j].style.left=parseInt(navklap[j].style.left.substring(0,navklap[j].style.left.lastIndexOf('px')))+10+'px';
                }

	        var iframe=document.getElementById('navklapframe'+i);
 	        if(is.ie5up ){
                    iframe.style.height = (19*eval(navklap[i].getElementsByTagName('LI').length))+5;

	        } else {
	        	iframe.style.display='none'
	        }
	        navklap[i].onmouseover=klapmouseover;
	        navklap[i].onmouseout=klapmouseout;
	        navklap[i].number=i;
      	}
   }

   for (var i = 0; i < imgsthemabalk.length; i++){
        imgsthemabalk[i].onmouseover = funcmouseOverthemabalk;
        imgsthemabalk[i].onmouseout = funcmouseOutthemabalk;
        var suffix = imgsthemabalk[i].src.substring(imgsthemabalk[i].src.lastIndexOf('.'));
        mouseOutthemabalk[i] = new Image();
        mouseOutthemabalk[i].src = imgsthemabalk[i].src;
        mouseOverthemabalk[i] = new Image();
        mouseOverthemabalk[i].src = imgsthemabalk[i].src.substring(0,imgsthemabalk[i].src.lastIndexOf('_')) + "_on" + suffix;
        imgsthemabalk[i].numberthemabalk = i;
   }
   for (var i = 0; i < imgsbondsbalk.length; i++){
        imgsbondsbalk[i].onmouseover = funcmouseOverbondsbalk;
        imgsbondsbalk[i].onmouseout = funcmouseOutbondsbalk;
        var suffix = imgsbondsbalk[i].src.substring(imgsbondsbalk[i].src.lastIndexOf('.'));
        mouseOutbondsbalk[i] = new Image();
        mouseOutbondsbalk[i].src = imgsbondsbalk[i].src;
        mouseOverbondsbalk[i] = new Image();
        mouseOverbondsbalk[i].src = imgsbondsbalk[i].src.substring(0,imgsbondsbalk[i].src.lastIndexOf('_')) + "_on" + suffix;
        imgsbondsbalk[i].numberbondsbalk = i;
   }
}
function funcmouseOverthemabalk(){
        this.src = mouseOverthemabalk[this.numberthemabalk].src;

}
function funcmouseOutthemabalk(){
        this.src = mouseOutthemabalk[this.numberthemabalk].src;
}
function funcmouseOverbondsbalk(){
        this.src = mouseOverbondsbalk[this.numberbondsbalk].src;
        //clearTimeout(menutime);
        //for (var i = 0; i < imgsbondsbalk.length; i++){
        //      invi(true,'navklap'+i);
        //}

        if(this.parentNode.className=='dropdown'){
                menutime = setTimeout("invi(false,'navklap'+'"+this.numberbondsbalk+"')",300);
        }
}
function funcmouseOutbondsbalk(){
        this.src = mouseOutbondsbalk[this.numberbondsbalk].src;
        //clearTimeout(menutime);

        menutime = setTimeout("invi(true,'navklap'+'"+this.numberbondsbalk+"')",300);

}

//functie voor subnavigatie
function klapmouseover(){
        clearTimeout(menutime);
}
//functie voor subnavigatie
function klapmouseout(){
        menutime = setTimeout("invi(1,'navklap'+"+this.number+")",300);
}

//funtie voor verbergen van objecten
function invi(flag,div){
        if (!is.dhtml) return;
        var x = new getElem(div);
        x.style.visibility = (flag) ? 'hidden' : 'visible'
        x.style.display = (flag) ? 'none' : 'block';
}