function close_popwin()
{
	document.getElementById('popup_win').style.display='none';
}
function show_popwin()
{
	document.getElementById('popup_win').style.display='block';
}

function join_now(signup_url)
{
	document.getElementById('popup_win').style.display='none';
	window.location.href=signup_url;
}

function recordStat(url,id,flg)
{
	//alert("kk "+url+" "+id+" "+flg);
	$.get('record_announcement_stat.php?id='+id+'&flg='+flg, function(data) {
    	//alert(data);
		//window.location=url;
		window.open(url,"_blank");
    });

}