function hidesubmenu(sid)
{eval("submenu" + sid + ".style.display=\"none\";");}
function showsubmenu(sid)
{
submenu1.style.display="none";
submenu2.style.display="none";
submenu3.style.display="none";
submenu4.style.display="none";
submenu5.style.display="none";
submenu6.style.display="none";
submenu7.style.display="none";
submenu8.style.display="none";
submenu9.style.display="none";
submenu10.style.display="none";





eval("submenu" + sid + ".style.display=\"block\";");
}