var menuids=["menu"]
function buildsubmenus()
{
    for (var i=0; i<menuids.length; i++)
    {
        var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul");
        var divtags=document.getElementById(menuids[i]).getElementsByTagName("li");
        for (var t=0; t<divtags.length; t++)
        {
            divtags[t].onmouseover=function()
            {
               if (this.getElementsByTagName("ul")[0])
                  this.getElementsByTagName("ul")[0].style.visibility="visible";
               this.getElementsByTagName("a")[0].className="on";
            }
            divtags[t].onmouseout=function()
            {
                if (this.getElementsByTagName("ul")[0])
                   this.getElementsByTagName("ul")[0].style.visibility="hidden";
                this.getElementsByTagName("a")[0].className="";
            }
        }

        for (var t=ultags.length-1; t>-1; t--)
        {
            ultags[t].style.visibility="hidden"
        }
    }
}
if (window.addEventListener)
	window.addEventListener("load", buildsubmenus, false)
else if (window.attachEvent)
	window.attachEvent("onload", buildsubmenus)