preName = '<img src="http://www.showhoen.jp/images/btn_top-calender_';
posName = '.jpg" width="125" height="150" alt="¹Ô»öͽÄêɽ" />';

theDate = (new Date());
date1 = new String(theDate.getFullYear());
date2 = new String(theDate.getMonth()+1);

date1 = date1.slice(2,4);
if(date2.length <2){
	date2 = "0" + date2;
}

function calendarImg(){
	document.write(preName + date1 + date2 + posName);
}