function onsubmit() {
    if (!isreginput(0, "txtfeedback_title", "notempty", "请输入标题", 1, 255)) return false;
    if (!isreginput(0, "txtfeedback_person", "notempty", "请输入姓名", 1, 50)) return false;
    //if (!isreginput(0, "txtfeedback_address", "notempty", "请输入您的地址", 1, 255)) return false;
    if (!isreginput(0, "txtfeedback_tel", "intege", "请输入电话", 1, 11)) return false;
    //if (!isreginput(0, "txtfeedback_fax", "intege", "请输入您的传真", 1, 12)) return false;
    //if (!isreginput(0, "txtfeedback_qq", "notempty", "请输入您的qq/msn/skype", 1, 50)) return false;
    if (!isreginput(0, "txtfeedback_email", "email", "请输入邮箱", 1, 50)) return false;
    if (!isreginput(0, "txtfeedback_code", "notempty", "请输入验证码", 1, 50)) return false;
    if (!checkcode()) { hintdialog('txtfeedback_code', "验证码错误", 0); return false; }
    if (!isreginput(0, "txtfeedback_content", "notempty", "请输入留言详细内容", 1, 1000)) return false;

    ajaxsubmit();

}
//ajax提交表单
function ajaxsubmit() {
    var url = "ajax/ajax_feedback.aspx?action=add&"+getobjstring();
    $.ajax({
        url: url,
        cache: false,
        async: false,
        datatype: "text",
        success: function(data) {
            if (data == "true") {
                alert("感谢您的反馈"); window.location.reload();
            }
            else if(data=="mailerr")
            {
                alert("感谢您的反馈,邮箱提醒发送失败");return false;
            }
            else {
                alert("反馈失败"); return false;
            }
        },
        error: function() {
        alert("ajax error"); return false;
        }
    });
}
function getformdata() {
    var datastr = "s=" + math.random();
    $(":input[id]").each(function(index, domele) {
        var idname = $(domele).attr("id");
        datastr = datastr + "&" + $(domele).attr("id") + "=" + encodeuricomponent($(domele).val());
    });
    return (datastr);
}
function clearinputdata() {
    $(":text").val("");
    $("#txtfeedback_content").val("");
}
function getobjstring(){
    var datastr = "s=" + math.random();
    $(":input[id]").each(function(index,domele){var idname = $(domele).attr("id");if(idname!="__viewstate" && idname!="__eventvalidation"){datastr = datastr + "&" + $(domele).attr("id") + "=" + encodeuricomponent($(domele).val());}})
   // alert(datastr);
    return datastr;
}
function checkcode() {
    var url = "ajax/ajax_feedback.aspx?action=checkcode&txtfeedback_code=" + encodeuricomponent($("#txtfeedback_code").val());
    var bool = true;
    $.ajax({
        url: url,
        cache: false,
        async: false,
        datatype: "text",
        success: function(data) {
            // alert(data);
            if (data == "ok") {

            }
            else if (data == "error") {
                bool = false;
            }
            else {
                bool = false;
            }
        },
        error: function() {
            bool = false;
        }
    });
    return bool;
}