if (document.images) 
{      
	schaferon = new Image();
	schaferon.src = "images/profiles/schafer-a.jpg";

	grayon = new Image();
	grayon.src = "images/profiles/gray-a.jpg";

	fienupon = new Image();
	fienupon.src = "images/profiles/fienup-a.jpg";

	drakeon = new Image();
	drakeon.src = "images/profiles/drake-a.jpg";

	cedarlugon = new Image();
	cedarlugon.src = "images/projects/cedarlug-a.jpg";


	bootableclusteron = new Image();
	bootableclusteron.src = "images/projects/bootablecluster-a.jpg";

	mumpson = new Image();
	mumpson.src = "images/projects/mumps-a.jpg";

	realtimeon = new Image();
	realtimeon.src = "images/projects/realtime-a.jpg";


	schaferoff = new Image();
	schaferoff.src = "images/profiles/schafer.jpg";

	grayoff = new Image();          
	grayoff.src = "images/profiles/gray.jpg";

	fienupoff = new Image();          
	fienupoff.src = "images/profiles/fienup.jpg";

	drakeoff = new Image();
	drakeoff.src = "images/profiles/drake.jpg";

	cedarlugoff = new Image();          
	cedarlugoff.src = "images/projects/cedarlug.jpg";

	bootableclusteroff = new Image();          
	bootableclusteroff.src = "images/projects/bootablecluster.jpg";

	mumpsoff = new Image();
	mumpsoff.src = "images/projects/mumps.jpg";

	realtimeoff = new Image(); 
	realtimeoff.src = "images/projects/realtime.jpg";
}

function imgOn(imgName) 
{
	if (document.images) 
		document[imgName].src = eval(imgName + "on.src");
}
			
function imgOff(imgName) 
{
	if (document.images) 
		document[imgName].src = eval(imgName + "off.src");
}