if (document.images) {
	img1on = new Image();
	img1on.src = "/images/navHomeOver.gif";
	
	img1off = new Image();
	img1off.src = "/images/navHomeOff.gif";
	
	img2on = new Image();
	img2on.src = "/images/navPortfolioOver.gif";
	
	img2off = new Image();
	img2off.src = "/images/navPortfolioOff.gif";
	
	img3on = new Image();
	img3on.src = "/images/navContactOver.gif";
	
	img3off = new Image();
	img3off.src = "/images/navContactOff.gif";

	
}
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");
	}
}