if (document.images) {
    var img = new Array();
    img[0] = new Image(); img[0].src = "img/bg_tmitact.gif";
    img[1] = new Image(); img[1].src = "img/bg_tmitsub.gif";
    img[2] = new Image(); img[2].src = "img/bg_more_red.gif";
    img[3] = new Image(); img[3].src = "img/bg_a_next_red.gif";
    img[4] = new Image(); img[4].src = "img/bg_a_up_white.gif";
    img[5] = new Image(); img[5].src = "img/bg_a_up_orng.gif";
    img[6] = new Image(); img[6].src = "img/bg_more_orng.gif";
    img[7] = new Image(); img[7].src = "img/bg_a_nwarch_orng.gif";
    img[8] = new Image(); img[8].src = "img/bg_a_next_orng.gif";
}