function navControl(){
	preloadPictures()
	if (document.all&&document.getElementById) {
		var navElem = document.getElementById("nav");
		var len =navElem.childNodes.length
		for(o=0; o<len; o++){
			var subNode = navElem.childNodes[o];
			if(subNode.nodeName=="LI"){
				subNode.onmouseover=function(){
					this.className=" over";
					window.status="OVER";
					
				}
				subNode.onmouseout=function(){
					this.className="";
					window.status="OUT";
				}
			}
		}
	}
}
function preloadPictures(){
	var a = new Image();
	a.src = '../images/teaser/startseite_h.png';
}
window.onload = navControl;
function changePicture(path, id){
	var d = document.getElementById(id);
	d.src = path;
	
}