// JavaScript Document

window.onload = rolloverInit;

function rolloverInit() {
	for (var i=0; i<document.images.length; i++) {
			if (document.images[i].parentNode.tagName =="A" && document.images[i].parentNode.className == "nav")
			{
			setupRollover(document.images[i]);	
			}
		}
	}
	
	
	function setupRollover(thisImage){
		
	thisImage.outImage = new Image();
	thisImage.outImage.src = thisImage.src;
	thisImage.onmouseout = rollOut;
	
	thisImage.overImage = new Image();
	thisImage.overImage.src = "http://www.buschdesign.com/images/"+thisImage.id+"-over.jpg";
	thisImage.onmouseover = rollOver;	
	
	thisImage.clickImage = new Image();
	thisImage.clickImage.src = "http://www.buschdesign.com/images/"+thisImage.id+"-over.jpg";
	thisImage.onmouseclick= rollClick;
		
	}
	
	function rollOut(){
	this.src = this.outImage.src;	
		
	}
	
	function rollOver(){
	this.src = this.overImage.src;	
		
	}
	
	function rollClick(){
		this.src = this.clickImage.src;	
		
	}