function himekuri() {

	var myDate = new Date() ;
	var img = myDate.getDate() ;
	var Picture = 31
	if( img > Picture )
	img= img - Picture ;
	var dir = "photo/" ;
	var ext = ".jpg" ;
	document.write('<a href="http://www.catwalk.ne.jp/album/"><img src =" ' + dir + img + ext + ' " width="320" height="320" border="0" alt="catwalk Inc.：本日の一枚。" /></a>') ;

}