var newicon={
	init:function(){
		// passage time
		var pass = 60;
		// display content
		var content = '<img src="/common/images/icn_new.gif" alt="new" width="29" height="15" class="new" />';
		var currentDate = new Date();
		var spans = document.getElementsByTagName('span');
		for (i = 0; i < spans.length; i++) {
			if(spans[i].getAttribute('class') == 'newicon' || spans[i].getAttribute('className') == 'newicon') {
				time = spans[i].childNodes[0].nodeValue.split(":");
				var entryDate = new Date(time[0], time[1]-1, time[2], time[3], time[4], time[5]);
				var now = (entryDate.getTime() - currentDate.getTime())/(60*60*1000);
				now = Math.ceil(now);
				if(-now <= pass){
					spans[i].innerHTML = content;
					spans[i].style.display = 'inline';
				}
			}
		}
	}
};