function showNewIcon(updateDate, expire_hours){
	var yyyy = updateDate.substring(0, 4);				
	var mm = updateDate.substring(5, 7);
	var dd = updateDate.substring(8, 10);		
	var hour = updateDate.substring(11, 13);
	var min = updateDate.substring(14, 16);
	var sec = updateDate.substring(17, 19);
	
	var update = new Date(yyyy + "/" + mm + "/" + dd + " " + hour + ":" + min + ":" + sec);
	var today = new Date();
	var diff = today.getTime() - update.getTime();
	if(diff <= (expire_hours * 3600 * 1000) || !expire_hours || expire_hours == 0 || expire_hours == ""){
		document.write('<img src="/images/common/icon_new.gif" width="29" height="13" alt="new" />');
	}
}