if (document.images) {
	img1on = new Image();
	img1on.src = "/images/goBtnOver.jpg";
	
	img1off = new Image();
	img1off.src = "/images/goBtnOff.jpg";
	
	img2on = new Image();
	img2on.src = "/images/newsOver.jpg";
	
	img2off = new Image();
	img2off.src = "/images/newsOff.jpg";
	
	img3on = new Image();
	img3on.src = "/images/homeOrangeOver.gif";
	
	img3off = new Image();
	img3off.src = "/images/homeOrangeOff.gif";
	
	img4on = new Image();
	img4on.src = "/images/libraryOrangeOver.gif";
	
	img4off = new Image();
	img4off.src = "/images/libraryOrangeOff.gif";
	
	img5on = new Image();
	img5on.src = "/images/printOrangeOver.gif";
	
	img5off = new Image();
	img5off.src = "/images/printOrangeOff.gif";
	
	img6on = new Image();
	img6on.src = "/images/homeGrayOver.jpg";
	
	img6off = new Image();
	img6off.src = "/images/homeGrayOff.jpg";
	
	img7on = new Image();
	img7on.src = "/images/libraryGrayOver.jpg";
	
	img7off = new Image();
	img7off.src = "/images/libraryGrayOff.jpg";
	
	img8on = new Image();
	img8on.src = "/images/printGrayOver.jpg";
	
	img8off = new Image();
	img8off.src = "/images/printGrayOff.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");
	}
}