function get_client_time()
{
	var time = new Date();
	var thu = time.getDay();
	var ngay = time.getDate();
	var thang = time.getMonth();
	var nam = time.getYear();
	thu = date_name[thu];
	thang = thang + 1;
	thu = thu + " " + ngay + "/" + thang + "/" + nam;
	return thu;
}

function UpdateClock(div_tag_id)
{
	var str, TimeGMT_1,TimeGMT_2, strTime, strTimeCut, hoursVN, hoursGMT, minutes, seconds,tam
	
	TimeGMT_1 = new Date();	
	str = TimeGMT_1.toGMTString()	
	strTimeCut = str.substring(str.indexOf("UTC"),0)	
	TimeGMT_2 = new Date(strTimeCut);
		
	hoursGMT = TimeGMT_2.getHours()
	minutes = TimeGMT_2.getMinutes()
	seconds = TimeGMT_2.getSeconds()
	hoursVN = hoursGMT + 7;
	
	if (TimeGMT_2.getMinutes() <10) {
		minutes = "0"+TimeGMT_2.getMinutes()
	}
	if (TimeGMT_2.getSeconds() <10)	{
		seconds = "0"+TimeGMT_2.getSeconds()
	}
	
	if (hoursVN < 12) {
		strTime = hoursVN + ":"+minutes+":"+seconds +" AM";	
	} 
	else {
		hoursVN = hoursVN - 12;
		strTime = hoursVN + ":"+minutes+":"+seconds +" PM";	
	}
	document.getElementById(div_tag_id).innerHTML = strTime;
	window.setTimeout('UpdateClock("' + div_tag_id + '")',1000); 
}