//$(document).ready(function() {
//    swiImg();
//});
function tabswitch(n) {
    for (var i = 1; i < 5; i++) {
        document.getElementById('panel_' + i).style.display = 'none';
        document.getElementById('tab_' + i).className = '';
    }

    document.getElementById('panel_' + n).style.display = 'block';
    document.getElementById('tab_' + n).className = 'hovertab';

}
var imgno = 4;
function swiImg() {
    $("#adImg").attr("src", "image/ad0" + imgno + ".jpg");
    switch (imgno) {
        case 1:
            $("#adLink").attr("href", "product_detail_29_2.html");
            break;
        case 2:
            $("#adLink").attr("href", "product_detail_33_4.html");
            break;
        case 3:
            $("#adLink").attr("href", "product_detail_32_3.html");
            break;
        case 4:
            $("#adLink").attr("href", "meet/xinpin.aspx");
            break;
    }
    if (imgno < 4) {
        imgno = imgno + 1;
    } else {
        imgno = 1;
    }
    setTimeout("swiImg()", 5000);
}