var jshover = function()
{
        var menuDiv = document.getElementById("menu_level_0")
        if (!menuDiv)
                return;

        var sfEls = menuDiv.getElementsByTagName("li");
        for (var i=0; i<sfEls.length; i++)
        {
                sfEls[i].onmouseover=function()
                {
                        this.className+=" jshover";
                }
                sfEls[i].onmouseout=function()
                {
                        this.className=this.className.replace(new RegExp(" jshover\\b"), "");
                }
        }
}

if (window.attachEvent)
        window.attachEvent("onload", jshover);