var imglist = new Array(
		"img/key_visual_ph01.jpg",
		"img/key_visual_ph02.jpg",
		"img/key_visual_ph03.jpg",
		"img/key_visual_ph04.jpg",
		"img/key_visual_ph05.jpg",
		"img/key_visual_ph06.jpg" );
	var selectnum = Math.floor((Math.random() * 100)) % imglist.length;
	var output = "<img src=" + imglist[selectnum] + " width=\"760\" height=\"240\"" + " alt='' usemap='#Map2'>";
	document.write(output);