var newImage=new Array();
	
	window.onload=function(){
		var x=document.getElementsByName("navLink")
		for(var i=0;i<x.length;i++){
			newImage[i]=new Image();
			newImage[i].src="images/"+x[i].id+".jpg";
			x[i].onmouseover=function(){
				this.src="images/"+this.id+".jpg";
			}
			x[i].onmouseout=function(){
				this.src="images/"+this.alt+"Up.jpg";
			}
		}
	}