var imageNames = new Array("enroll", "tour", "members","tour1","tour2","tour3","tour4","tour5","tour6","tour7");
var imgPath = "images/i-";
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.jpg'");
		eval(image + "2Obj = new Image()");
		eval(image + "2Obj.src = imgPath + image + '-on.jpg'");
	}
}

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

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