var bei_time=new Date(parseInt($("#beijing_datetime").val()));
setInterval(
		
		"feijingtime_update();",60000);
function feijingtime_update(){
	bei_time.setMinutes(bei_time.getMinutes()+1);
	set_beijtime();
}
function set_beijtime(){
		$("#beijing_date").text(bei_time.getFullYear()+"-"+(bei_time.getMonth()<9?"0":"")+(bei_time.getMonth()+1)+"-"+(bei_time.getDate()<9?"0":"")+bei_time.getDate());
		$("#baijing_time").text(bei_time.getHours()+":"+(bei_time.getMinutes()<10?"0":"")+bei_time.getMinutes());
}
set_beijtime();