function showsubmenu(sid)
{
var obj1= "ss" + sid
whichEl = eval("submenu" + sid);
if (whichEl.style.display == "none")
{
eval("submenu" + sid + ".style.display=\"\";");
document.all.item(obj1).src='images/ico_fang.gif';
}
else
{
eval("submenu" + sid + ".style.display=\"none\";");
document.all.item(obj1).src='images/ico_fangs.gif';
}
}