// JavaScript Document
function verbergafbeelding()
{
	document.getElementById("Afbeeldingen").style.visibility="hidden";
}
function Centreer()
{
	var winW;
	var winH;
	var Links;
	var Breed;
	var afbhid;
	if (parseInt(navigator.appVersion)>3) 
	{
 		if (navigator.appName=="Netscape") 
		{
 		 	winW = window.innerWidth;
  			winH = window.innerHeight;
 		}
 		if (navigator.appName.indexOf("Microsoft")!=-1) 
 		{
  			winW = document.body.offsetWidth;
  			winH = document.body.offsetHeight;
 		}
	}
	if (winW >= 1420)
	{
		Links=winW/2;
		Links=Links-700;
		if (Links < 10)
		{
			Links = 10;
		}
		Breed=1160;
		afbhid = 0;
		if (document.getElementById("Afbeeldingen").style.visibility=="hidden")
		{
			document.getElementById("Top").style.borderRightWidth=0+"px";
			document.getElementById("HoofdVenster").style.borderRightWidth=0+"px";
			Breed=1370;
			afbhid=-220;
		}
	}
	if (winW < 1440)
	{
		Links=winW/2;
		Links=Links-470;
		if (Links < 10)
		{
			Links = 10;
		}
		Breed=700;
		afbhid = 0;
		if (document.getElementById("Afbeeldingen").style.visibility=="hidden")
		{
			document.getElementById("Top").style.borderRightWidth=0+"px";
			document.getElementById("HoofdVenster").style.borderRightWidth=0+"px";
			Breed=920;
			afbhid=-220;
		}
	}
	document.getElementById("HoofdVenster").style.width=Breed+"px";
	document.getElementById("Top").style.width=Breed+"px";
	document.getElementById("Afbeeldingen").style.marginLeft=Links+Breed+afbhid+1+"px";
	document.getElementById("HoofdVenster").style.marginLeft=Links+"px";
	document.getElementById("Top").style.marginLeft=Links+"px";
}