var imageNames = new Array("home", "uses", "order", "specs", "contact", "mail");
var imgPath = "images/";
browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
if (browser) {
	for (i = 0; i < imageNames.length; i++) {
	var image = imageNames[i];
		eval(image + "1Obj = new Image()");
		eval(image + "1Obj.src = imgPath + image + '_off.gif'");
		eval(image + "2Obj = new Image()");
		eval(image + "2Obj.src = imgPath + image + '_on.gif'");
	}
}

function ON(imgName) {
	if (browser) {
		eval("document." + imgName + ".src = " + imgName + "2Obj.src");
	}
}

function OFF(imgName) {
	if (browser) {
		eval("document." + imgName + ".src = " + imgName + "1Obj.src");
	}
}