function newMark(y,m,d)
{
	oldDay = new Date(y+"/"+m+"/"+d);
	newDay = new Date();
	n = (newDay - oldDay)/(1000*60*60*24);
	if (n <= 31) document.write("<img src='/shared/img/ico/ico_new.gif' alt='NEW' width='29' height='11' class='new'/>");
}