function showPanel(obj)
        {
            var subcls=document.getElementById("sub"+obj.id);
            if (!subcls) return;
            subcls.style.display=(subcls.style.display=="block")?"none":"block";
            return false;
        }
		function showcurrPanel(obj,nid)
        {
			var nidcls=document.getElementById("subcls"+nid);
			var subcls=document.getElementById("clsan"+obj);
            if (!nidcls) return;
            nidcls.style.display=(nidcls.style.display=="block")?"none":"block";
			
			if (!subcls) return;
			subcls.className='clist_curr';

            return false;
        }