$(function(){
	// set 7 days before
	var newdays = 7;
	var today = new Date();
	today.setTime(today.getTime() - newdays * 24 * 60 * 60 * 1000);
	var base_class = today.getFullYear() * 10000 + (today.getMonth() + 1) * 100 + today.getDate();
	base_class = "date" + base_class;
	// for toptopics & bookreview & eblog & house & essay
	$(".title a").each(function() {
			if ($(this).attr("class") > base_class) {
				$(this).parent().append('<img src="images/icon_new.gif" alt="New!" class="newIcon" />');
			}
	});
	// for information
	$("#information .title p:last-child").each(function() {
			if ($(this).attr("class") > base_class) {
				$(this).append('<img src="images/icon_new.gif" alt="New!" class="newIcon" />');
			}
	});
});