function newmark_onoff(year, month, day) {
	
	// アクセス日を表示する。
	accessday = new Date();

	
	registday=new Date(year, month - 1, day, accessday.getHours(), accessday.getMinutes(), accessday.getSeconds());
	diff_day = Math.round((accessday.getTime() - registday.getTime()) / 1000 / 60 / 60 / 24);
	//document.write("差：", diff_day, "日");
	
	//limitday=new Date(year, month, day, accessday.getHours(), accessday.getMinutes(), accessday.getSeconds());
	//document.write("limitday ：", limitday.getYear() + 1900,"年",limitday.getMonth() + 1,"月",limitday.getDate(),"日<BR>");
	if(diff_day <= 30) {
		document.write('<img src="/english/img_com/new.gif" alt="NEW" width="21" height="9" border="0" class="new" />');
	}
}