/*
Copyright (c) 2006, Nippon Onigiri Peace Corps. All Rights Reserved.
*/

function topimg(imgid) {
    var imgelement = document.getElementById(imgid);
    var files = new Array();
    var nextimg = new Image();
    var imgdir = '/images/top/';
    files[0] = '32.jpg';
    files[1] = '10.jpg';
    files[2] = '6.jpg';
    files[3] = '12.jpg';
    files[4] = '3.jpg';
    files[5] = '4.jpg';
    files[6] = '23.jpg';
    files[7] = '14.jpg';
    files[8] = '18.jpg';
    files[9] = '5.jpg';
    files[10] = '30.jpg';
    files[11] = '0.jpg';
    files[12] = '21.jpg';
    files[13] = '16.jpg';
    files[14] = '27.jpg';
    files[15] = '13.jpg';
    files[16] = '29.jpg';
    files[17] = '9.jpg';
    files[18] = '24.jpg';
    files[19] = '17.jpg';
    files[20] = '2.jpg';
    files[21] = '1.jpg';
    files[22] = '33.jpg';
    files[23] = '15.jpg';
    files[24] = '26.jpg';
    files[25] = '25.jpg';
    files[26] = '11.jpg';
    files[27] = '8.jpg';
    files[28] = '7.jpg';
    files[29] = '22.jpg';
    files[30] = '20.jpg';
    files[31] = '19.jpg';
    files[32] = '28.jpg';
    files[33] = '31.jpg';
    var imgsrc = imgdir + files[Math.floor(Math.random() * files.length)];
    if (imgelement.src == imgsrc) {
        imgsrc = imgdir + files[Math.floor(Math.random() * files.length)];
    }
    imgelement.src = imgsrc + '?20080918';
    imgelement.style.display = '';
    window.setTimeout("topimg('" + imgid + "')", 4000);
}