var resumeOn=new Image();
	resumeOn.src="images/resume_a.gif";
	var resumeOff=new Image();
	resumeOff.src="images/resume_na.gif";
		
	var reelOn=new Image();
	reelOn.src="images/reel_a.gif";
	var reelOff=new Image();
	reelOff.src="images/reel_na.gif";
		
	var portfolioOn=new Image();
	portfolioOn.src="images/portfolio_a.gif";
	var portfolioOff=new Image();
	portfolioOff.src="images/portfolio_na.gif";
	
	function swap(imgDocID,imgObjName) {
		document.images[imgDocID].src = eval(imgObjName + ".src");
	}