homeOn = new Image(); homeOn.src = "on/home.gif";
aboutusOn = new Image(); aboutusOn.src = "on/aboutus.gif";
productsOn = new Image(); productsOn.src = "on/products.gif";
customerserviceOn = new Image(); customerserviceOn.src = "on/customerservice.gif";
statesOn = new Image(); statesOn.src = "on/states.gif"; 
taxcornerOn = new Image(); taxcornerOn.src = "on/taxcorner.gif";

homeOff = new Image(); homeOff.src = "off/home.gif";
aboutusOff = new Image(); aboutusOff.src = "off/aboutus.gif";
productsOff = new Image(); productsOff.src = "off/products.gif";
customerserviceOff = new Image(); customerserviceOff.src = "off/customerservice.gif";
statesOff = new Image(); statesOff.src = "off/states.gif"; 
taxcornerOff = new Image(); taxcornerOff.src = "off/taxcorner.gif";

function imgOn(imgName) {
	if (document.getElementById) {
			document.getElementById("btn-" + imgName).src = eval((imgName) + "On.src");
	}
}
function imgOff(imgName) {
	if (document.getElementById) {
		document.getElementById("btn-" + imgName).src = eval((imgName) + "Off.src");
	}
}