function MenuOver(menu_id)
{
	document.getElementById(menu_id).style.display = 'inline';
}

function MenuOut(menu_id)
{
	document.getElementById(menu_id).style.display = 'none';
}

function preload(images) {
    if (typeof document.body == "undefined") return;
    try {
        var div = document.createElement("div");
        var s = div.style;
        s.position = "absolute";
        s.top = s.left = 0;
        s.visibility = "hidden";
        document.body.appendChild(div);
        for (var i = 0; i < images.length; i++) div.innerHTML += "<img src=\"" + "/img/menu/products/" + images[i] + ".jpd" + "\" />";
    } catch(e) {
        // Error. Do nothing.
    }
}

preload(Array(3,4,6,11,20,21,24,25));