function OpenCoupon(url)
{
    if(typeof imgLoader == 'undefined') {
        imgLoader = new Image();
        imgLoader.src = tb_pathToImage;
    }

    var t = 'Online Coupon';
    var a = url + '&KeepThis=true&TB_iframe=true&height=382&width=573';
    var g = false;
    tb_show(t,a,g);

    return false;
}