if (document.images) {            // Active Images
	img1on = new Image();
    img1on.src = "/images/button_home1.gif";
	img2on = new Image();
	img2on.src = "/images/button_buy1.gif";
	img3on = new Image();
	img3on.src = "/images/button_sell1.gif";
	img4on = new Image();
	img4on.src = "/images/button_dealer1.gif";
	img5on = new Image();
	img5on.src = "/images/button_tools1.gif";
	img6on = new Image();
	img6on.src = "/images/button_contact1.gif";
	img7on = new Image();
	img7on.src = "/images/button_logout1.gif";

	img1off = new Image();
	img1off.src = "/images/button_home.gif";
	img2off = new Image();
	img2off.src = "/images/button_buy.gif";
	img3off = new Image();
    img3off.src = "/images/button_sell.gif";
	img4off = new Image();
   	img4off.src = "/images/button_dealer.gif";
	img5off = new Image();
	img5off.src = "/images/button_tools.gif";
	img6off = new Image();
	img6off.src = "/images/button_contact.gif";
	img7off = new Image();
	img7off.src = "/images/button_logout.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");
	}
}