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++)
{
var tcontentiObj = document.getElementById(tabObj+"_Content"+i);
if (i == Num)
{
   thisObj.className = "active";
   if(tcontentiObj!=null){
   	 tcontentiObj.style.display = "block";
   }
}else{
   tabList[i].className = "normal"; 
   if(tcontentiObj!=null){
   		tcontentiObj.style.display = "none";
   }
}
} 
}
function change_pic(img_name){	
	this.src="images/"+img_name;
	
}
// JavaScript Document