function hidesubmenu(sid)
{
	eval("submenu" + sid + ".style.display=\"none\";");
}

function showsubmenu(sid)
{
submenu2.style.display="none";
submenu5.style.display="none";
submenu6.style.display="none";
if(sid!=0) eval("submenu" + sid + ".style.display=\"block\";");
//eval("document.submenu" + sid + ".visibility=\"visible\";");
}