var nn = 1;
var key = 0;
function change_img() {
    if (key == 0) { key = 1; }
    else if (document.all) {
        document.getElementById("pic").filters[0].Apply(); document.getElementById("pic").filters[0].Play(duration = 2);
    }
    document.getElementById("pic").src = img[nn - 1].src;
    document.getElementById("titlead").innerHTML = img[nn - 1].title;
    document.getElementById("url").href = img[nn - 1].url;
    for (var i = 1; i <= img.length; i++) {
        document.getElementById("xxjdjj" + i).className = 'axx';
    }
    document.getElementById("xxjdjj" + nn).className = 'bxx';
    nn++;
    if (nn > img.length) {
        nn = 1;
    }
    tt = window.setTimeout('change_img()', 8000);
}
function changeimg(n) {
    nn = n;
    window.clearInterval(tt);
    change_img();
}
function secBlue(a, b, c) {
    for (j = 1; j <= b; j++) {
        eval("document.getElementById(c+j).className='gray-Normal'");
    }
    eval("document.getElementById(c+a).className='gray-Selected'");
    //ÏÔʾ
    for (j = 1; j <= b; j++) {
        eval("ele_hide = document.getElementById('tb_" + c + j + "')");
        ele_hide.style.display = "none";
    }
    eval("ele_play = document.getElementById('tb_" + c + a + "')");
    ele_play.style.display = "block";
}

function showpl(id) {
    document.getElementById(id).style.display = "block";
}
function hidepl(id) {
    document.getElementById(id).style.display = "none";
}