function nTabs(thisObj,Num){ 
        if(thisObj.className == "active")return; 
        var tabObj = thisObj.parentNode.id; 
        var tabList = document.getElementById(tabObj).getElementsByTagName("li"); 
        for(i=0; i <tabList.length; i++){ 
          if (i == Num){ 
            thisObj.className = "active";  
            document.getElementById(tabObj+"_Content"+i).style.display = "block"; 
          }else{ 
            tabList[i].className = "normal";  
            document.getElementById(tabObj+"_Content"+i).style.display = "none"; 
          } 
        }
}
function listtab(thisObj,Num){ 
        if(thisObj.className == "bg active")return; 
        var tabObj = thisObj.parentNode.id; 
        var tabList = document.getElementById(tabObj).getElementsByTagName("li"); 
        for(i=0; i <tabList.length; i++){ 
          if (i == Num){ 
            thisObj.className = "bg active";  
            document.getElementById(tabObj+"_Content"+i).style.display = "block"; 
          }else{ 
            tabList[i].className = "bg normal";  
            document.getElementById(tabObj+"_Content"+i).style.display = "none"; 
          } 
        }  
      }