function set_height(){
	/*
	Funktie stelt de hoogte van #center in
	*/
	var margin_top = 131;
	if( typeof( window.innerWidth ) == 'number' ) {
		//Non-IE
		hoogte = window.innerHeight - margin_top; 
		document.getElementById('center').style.minHeight=hoogte+"px" ;
	}
	else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
		//IE 6+ in 'standards compliant mode'
		hoogte = document.documentElement.clientHeight - margin_top; 
		document.getElementById('center').style.height=hoogte+"px" ;
	} else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
		//IE 4 compatible
		hoogte = document.body.clientHeight - margin_top; 
		document.getElementById('center').style.height=hoogte+"px" ;
	}
}

startList = function() { 
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
	this.className+=" over";
  }
node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
  }
 }
}
}

function init(){
	startList();
	set_height();
	}

// Launch events

window.onload=init;
window.onresize=set_height;