function get_user_details(id) {
    var now = new Date().getTime();
    var VarsOfPost = "Now=" + now + "&ID=" + id;
    loadXMLDoc("../user_details_to_HTML/get_user_popup_details.aspx", VarsOfPost, function (data) {
        if ($("#user_details_container_td").html() != data) {
            $("#user_details_container_td").html(data);
            $("#user_details_container").css({ "display": "" });
        }
    });
}