function showsubmenu(sid)
{
whichEl = eval("submenu" + sid);
if (whichEl.style.display == "none")
{
eval("submenu" + sid + ".style.display=\"\";");
for(i=2;i<=100;i++)
{
   if(sid!=i)
   {
   try{  
     if(typeof(eval("submenu" + i))=="object"){
        whichEl1 = eval("submenu" + i);
        whichEl1.style.display="none"
   }
}  
catch(e){}  
  
   }
   }
}
else
{
eval("submenu" + sid + ".style.display=\"none\";");
}
}