//-----> Show beambar

function showBeams() {
	document.getElementByID('beams').style.display = "";
}




//-----> Preload images

function pre() {
	if(document.images) {
	
		trigger1NLON = new Image();
		trigger1NLON.src = "img/b_infoaanvragen_nl_omo.gif";
		trigger1NLOFF = new Image();
		trigger1NLOFF.src = "img/b_infoaanvragen_nl.gif";

	}
}

//-----> Swap images
function turnOn(imgID,imgID2) {
	if(document.images) {
		document.images[imgID].src = eval(imgID + "ON.src");
		
		if (imgID2){
			document.images[imgID2].src = eval(imgID2 + "ON.src");
		}
	}
}

function turnOff(imgID,imgID2) {
	if(document.images) {
		document.images[imgID].src = eval(imgID + "OFF.src");
		
		if (imgID2){
			document.images[imgID2].src = eval(imgID2 + "OFF.src");
		}
	}
}



//-----> Preload images

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];}}
}

//-----> Swap images 

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_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];}
}


//-----> Check focus

function CheckFocus() {
	self.focus();
}

//-----> Open popup

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


//-----> Open centered popup

var win = null;

function openPop(mypage,myname,w,h,scroll){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
	win = window.open(mypage,myname,settings)
}

function switchMenu(obj) {
	
	if (document.getElementById) {
		var el = document.getElementById(obj);

		if (el.style.display == "none") {
				el.style.display = "block";
		} else {
			el.style.display = "none";
		}
	}
}