function ShowTab(sObjID){
    var submenu=eval(sObjID+".style");
    if (submenu.display=='none')
    {
        submenu.display='';
    }
    else
    {
        submenu.display='none';
    }
}		
//对象名的前缀, 对象总数, 当前对象ID
function showsubmenu(objectname,sid, allid)  
{  
	var menu_i = 0;
	var objectmenu = "";
	for (menu_i=0;menu_i<allid;menu_i++)
	{  
		if (menu_i==sid)
		{
//	        alert(objectname);
//		    alert(menu_i);
			objectmenu = eval(objectname + menu_i);  
			if (objectmenu.style.display == "none")  
			{  
				eval(objectname + menu_i + ".style.display=\"\";");  
			}  
			else  
			{  
				eval(objectname + menu_i + ".style.display=\"none\";");  
			}  
		}
		else  
		{  
			eval(objectname + menu_i + ".style.display=\"none\";");  
		}  
	}  
}