// JavaScript Document
function areared(thisObj,Num){
if(thisObj.className == "current")return;
var tabObj = thisObj.parentNode.id;
var tabList = thisObj.parentNode.getElementsByTagName("a");
for(i=0; i< tabList.length; i++)
{
  if (i == Num)
  {
   thisObj.className = "current"; 
      document.getElementById(tabObj+"_con"+i).style.display = "block";//tabtitle_con0
  }else{
   tabList[i].className = ""; 
   document.getElementById(tabObj+"_con"+i).style.display = "none";
  }
} 
}