// preload images for mouseovers
var homeOn = new Image(); homeOn.src = "../images/top/home-on.gif";
var homeOff = new Image(); homeOff.src = "../images/top/home.gif";

var aboutOn = new Image(); aboutOn.src = "../images/top/about-on.gif";
var aboutOff = new Image(); aboutOff.src = "../images/top/about.gif";

var blogOn = new Image(); blogOn.src = "../images/top/our-blog-on.gif";
var blogOff = new Image(); blogOff.src = "../images/top/our-blog.gif";

var contactOn = new Image(); contactOn.src = "../images/top/contact-us-on.gif";
var contactOff = new Image(); contactOff.src = "../images/top/contact-us.gif";

var searchOn = new Image(); searchOn.src = "../images/top/search-site-on.gif";
var searchOff = new Image(); searchOff.src = "../images/top/search-site.gif";

var buyOn = new Image(); buyOn.src = "../images/top/buy-latest-on.gif";
var buyOff = new Image(); buyOff.src = "../images/top/buy-latest.gif";

// mouseover image swap
function imgOn(imageName) {
	document[imageName].src = eval(imageName + "On.src");
}
function imgOff(imageName) {
	document[imageName].src = eval(imageName + "Off.src");
}