// JavaScript Document
var last_opened=null;

function openDiv(opened){
	if(last_opened!=null && last_opened!=opened){
		document.getElementById(last_opened).style.display='none';
	}
	if(opened != last_opened){
		document.getElementById(opened).style.display='block';
	}
	last_opened = opened;
	//alert(last_opened);
	
	}