var timerid;
	var istimerset = false;
	var blntrans = false;
    var br=new Array(4);
    var os=new Array(2);

    br=getBrowser();
    os=getOS();

    if (os[0]=='win') {
	  if (br[0]=='msie') {
	    if (getMajorVersion(br[1])>5) {
		  blntrans = true;
		} else {
		  if ((getMajorVersion(br[1])==5) && (getMinorVersion(br[1])>=5)) {
		    blntrans = true;
		  }
		}
	  }
	}


	function loadmenu(nr) {
	  cancelbreadcrum();
	/*  if (blntrans) {
	    document.getElementById('submenu').filters[0].apply();
	  } */
      document.getElementById('submenu').innerHTML = document.getElementById('menu' + nr).innerHTML
	/*  if (blntrans) {
	    document.getElementById('submenu').filters[0].play();
	  } */
	}

	function cancelbreadcrum() {
	  if (istimerset) {
	    clearTimeout(timerid);
		istimerset = false;
	  }
	}

	function loadbreadcrum() {
	  cancelbreadcrum();
	  istimerset = true;
	  timerid = setTimeout('breadcrumtimeout()',2000)
	}

	function breadcrumtimeout() {
	  istimerset = false;
	  /* if (blntrans) {
 	    document.getElementById('submenu').filters[0].apply();
	  } */
	  document.getElementById('submenu').innerHTML = document.getElementById('breadcrum').innerHTML
	  /* if (blntrans) {
	    document.getElementById('submenu').filters[0].play();
      } */
	}

	// hoogte en breedte van bepaalde delen van het scherm opvragen
    function schermpixelbeheer()
    {
	  this.bottom = function(){
		if (document.body.scrollHeight) return document.body.scrollHeight};

	  this.height = function() {
		if (document.body.offsetHeight) return document.body.offsetHeight;}

	  this.visHeight = function() {
		if (window.innerHeight) return window.innerHeight;
		if (document.body.clientHeight) return document.body.clientHeight;}

	  this.width = function() {
		if (document.body.offsetWidth) return document.body.offsetWidth;}

	  this.scrollTop = function() {
		if(document.body.scrollTop) return document.body.scrollTop
		if (window.pageYOffset) return window.pageYOffset;
		else return 0;};
    }


	var newtop = 0;
	var oldtop = 400;
	var arrowTimerID;

	function movetotop() {
	  obj = document.getElementById("arrowup");
	  if (oldtop<newtop) {
	    d = newtop-oldtop;
		s = (d - (d % 5)) / 5;

	    oldtop = oldtop+s;
		obj.style.top = oldtop+"px";
	  }
	  if (oldtop>newtop) {
	    d = oldtop-newtop;
		s = (d - (d % 5)) / 5;

	    oldtop = oldtop-s;
		obj.style.top = oldtop+"px";
	  }

	  if (oldtop==newtop) {
	    clearTimeout(arrowTimerID);
	  }
	}

	function Navigatiebalk()
	{
	  if (document.getElementById("arrowup")) {
	  obj = document.getElementById("arrowup");
	  obj.style.left = ((document.body.offsetWidth-742)/2)+20;
      newtop  = (rdScherm.scrollTop()+400);
	  arrowTimerID = setTimeout('movetotop()',1);
	  }
	}

	function windhoosss()
	{
      Navigatiebalk();
	}
	

    var rdScherm=new schermpixelbeheer();
    windowTimer=setInterval("Navigatiebalk()",15);
    window.onresize=windhoosss;