function rollOver(normal, hover) {
	if (document.images) {
		this.normal = new Image();
		this.normal.src = normal;
		this.hover = new Image();
		this.hover.src = hover;
	}
}

function actMenuItem(name) {
	if (document.images) {
		eval("document.images['" + name + "'].src = " + name + ".hover.src;");
	}
}

function inactMenuItem(name) {
	if (document.images)
		eval("document.images['" + name + "'].src = " + name + ".normal.src;");
}

var home = new rollOver("images/header/nav/home.gif","images/header/nav/home-on.gif");
var centres = new rollOver("images/header/nav/centres.gif","images/header/nav/centres-on.gif");
var yourgarden = new rollOver("images/header/nav/yourgarden.gif","images/header/nav/yourgarden-on.gif");
var specialoffers = new rollOver("images/header/nav/specialoffers.gif","images/header/nav/specialoffers-on.gif");
var products = new rollOver("images/header/nav/products.gif","images/header/nav/products-on.gif");
var corporate = new rollOver("images/header/nav/corporate.gif","images/header/nav/corporate-on.gif");
var recruitment = new rollOver("images/header/nav/recruitment.gif","images/header/nav/recruitment-on.gif");
var contact = new rollOver("images/header/nav/contact.gif","images/header/nav/contact-on.gif");