function doClick(o){
	 o.className="t_c";
	 var j;
	 var id;
	 var e;
	 for(var i=1;i<=15;i++){
	   id ="t"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("b"+i);
	   if(id != o.id){
	   	 j.className="t_l";
	   	 e.style.display = "none";
	                 }
           else{
			e.style.display = "block";
               }
                               }
                  }


function nTabs(thisObj,Num){
if(thisObj.className == "act")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("b");
for(i=0; i <tabList.length; i++)
{
  if (i == Num)
  {
   thisObj.className = "act"; 
      document.getElementById(tabObj+"_t"+i).style.display = "block";
  }else{
   tabList[i].className = "nor"; 
   document.getElementById(tabObj+"_t"+i).style.display = "none";
  }
} 
}