function active(thisObj,Num){
var tabObj = thisObj;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");

for(i=1; i <tabList.length; i++)
{
  if (i == Num)
  {
   tabList[i].className = "active"; 
      document.getElementById(tabObj+"_Content"+i).style.display = "block";
  }else{
   tabList[i].className = "normal"; 
   document.getElementById(tabObj+"_Content"+i).style.display = "none";
  }
} 
}// JavaScript Document