function showsubmenu(sid,obj) 
{ 
whichEl = eval("submenu" + sid); 
if (whichEl.style.display == "none") 
{ 
eval("submenu" + sid + ".style.display=\"\";"); 
		obj.innerHTML="<img src='../images/openmenu2.gif'>";
} 
else 
{ 
eval("submenu" + sid + ".style.display=\"none\";"); 
		obj.innerHTML="<img src='../images/openmenu1.gif'>";
} 
}