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