function tab(obj)
		  {
		   	//var p = document.getElementById("Fod_list").getElementsByTagName("div");
			var pa = obj.parentNode.parentNode.parentNode.parentNode;
			var pa1 =obj.parentNode.getElementsByTagName("div");
			//alert(pa1.innerHTML);
			var taall = pa.getElementsByTagName("tr")[1].getElementsByTagName("div");
			var na = pa1.length;
			var ta = [];  
			var j=0;
            for(i=0;i<taall.length;i++)
            { 
               if(taall[i].className=="dis" || taall[i].className=="undis" )
               {
                     ta[j] = taall[i]
                     j=j+1;
               }
               
            }
		
		    //alert(ta.length);
			for(i=0;i<na;i++)
			{	//alert(pa1[i].className +" - " +ta[i].className);

				if(pa1[i] == obj)
				{
					pa1[i].className = "tsa";
					ta[i].className = "dis";
				}
				else
				{
					pa1[i].className = "tcarda";
					ta[i].className = "undis";				
				}
			}
		  }
		  
		  
 function tabdiv(obj,objtag,parenttag)
		  {
			var DivContent = obj.parentNode.parentNode.getElementsByTagName(parenttag);	
			//alert(DivContent.length);	
			//alert(objtag);	
			var DivButton = obj.parentNode.getElementsByTagName(objtag);	
			//alert(DivButton.length);
			for(i=0;i<DivButton.length;i++)
			{	
				if(DivButton[i] == obj)
				{
					DivButton[i].className = "tsa";
					if(objtag=='img')
					{
					    DivButton[i].src = 'zh-CN/images/item'+i+'_over.gif';
					}
					DivContent[i].className = "dis";
					
				}
				else
				{
				    if(objtag=='img')
					{
				      DivButton[i].src = 'zh-CN/images/item'+i+'.gif';
				      //alert(DivButton[i].src);
				    }
					DivButton[i].className = "tcarda";
					DivContent[i].className = "undis";				
				}
			}
		  }