var menuImages = new Array("aboutus", "locations", "phones", "pda", "blackberry", "voice", "data", "extras", "accessories");
for(var i=0;i<menuImages.length;i++) {
	var img = new Image();
	img.src = "/images/menu/" + menuImages[i] + "_on.gif";
}
var menu = document.getElementById("menu");
var imgs = menu.getElementsByTagName("img");
for(var i=0;i<imgs.length;i++) {
	var img = imgs[i];
	if(img.src.match(/_off\.gif$/)) {
		img.onmouseover = over;
		img.onmouseout = out;
	}
}
var mainmenu = document.getElementById("mainmenu");
var mainimgs = mainmenu.getElementsByTagName("img");
for(var i=0;i<mainimgs.length;i++) {
	var img = mainimgs[i];
	if(img.src.match(/_off\.gif$/)) {
		img.onmouseover = over;
		img.onmouseout = out;
	}
}
var submenu = document.getElementById("submenu");
if(submenu != null && typeof submenu != "undefined") {
	
	var subimgs = submenu.getElementsByTagName("img");
	for(var i=0;i<subimgs.length;i++) {
		var img = subimgs[i];
		if(img.src.match(/_off\.gif$/)) {
			img.onmouseover = over;
			img.onmouseout = out;
		}
	}
}
function over() {
	this.src = this.src.replace(/_off\./, '_on\.');
}
function out() {
	this.src = this.src.replace(/_on\./, '_off\.');
}