//ランダム画像表示
ranimg = new Array();

ranimg[0]="/html/img/color01.jpg";
ranimg[1]="/html/img/color02.jpg";
ranimg[2]="/html/img/color03.jpg";
ranimg[3]="/html/img/color04.jpg";
ranimg[4]="/html/img/color05.jpg";
ranimg[5]="/html/img/color06.jpg";
ranimg[6]="/html/img/color07.jpg";
ranimg[7]="/html/img/color08.jpg";
ranimg[8]="/html/img/color09.jpg";
ranimg[9]="/html/img/color10.jpg";
ranimg[10]="/html/img/color11.jpg";
ranimg[11]="/html/img/color12.jpg";
ranimg[12]="/html/img/color13.jpg";

xx = Math.floor(ranimg.length*Math.random());

ranimg = ranimg[Math.floor(xx)];

document.write ('<style type="text/css"><!--.home #main {background-image:url('+ ranimg +');}--></style>');