var doumuImageList = new Array(
	"../image/doumu/pic1.jpg",
	"../image/doumu/pic2.jpg",
	"../image/doumu/pic3.jpg",
	"../image/doumu/pic4.jpg",
	"../image/doumu/pic5.jpg",
	"../image/doumu/pic6.jpg",
	"../image/doumu/pic7.jpg"
);
var selectnum = Math.floor((Math.random() * 100)) % doumuImageList.length;
var output = "<img src=" + doumuImageList[selectnum] + " alt='l.t.m. / Doumu' style='border:1px solid #222' />";
document.write(output);