//检验提交数据格式合法性
function checkNull() {
    var title = document.getElementById("txtTitle").value;
    var realname = document.getElementById("txtRealname").value;
    var phone = document.getElementById("txtPhone").value;
    var email = document.getElementById("txtEmail").value;
    var content = document.getElementById("txtContent").value;
    if (title == "") { alert("请输入咨询主题！"); document.getElementById("txtTitle").focus(); return false; }
    if (realname == "") { alert("请输入姓名！"); document.getElementById("txtRealname").focus(); return false; }
    if (phone == "") { alert("请输入手机号码！"); document.getElementById("txtPhone").focus(); return false; }
    if (email == "") { alert("请输入邮箱！"); document.getElementById("txtEmail").focus(); return false; }

    var keyneirong = ""; 
    $("input[name='message']").each(function () {
        var keycontent = $(this).val().replace("|", ",").replace("^", ",");
        var keyname = $(this).attr("placeholder");
        var keyid = $(this).attr("date");
        if (keycontent == "") { alert("请输入" + keyname + "！"); $(this).focus(); return false; }
        keyneirong += "|" + keycontent + "^" + keyname + "^" + keyid;
    });
    




    //提交信息开始
    $.ajax({
        type: "post",
        data: {
            "Title": title,
            "Realname": realname,
            "Phone": phone,
            "Email": email,
            "Content": content,
            "keyneirong": keyneirong
        },
        url: "/Check/CheckMessage.aspx",
        success: function (msg) {
            if (msg == "success") {
                alert("恭喜你，提交成功！");
                window.location.reload();
            }
            else if (msg == "failure") {
                alert("很遗憾，提交失败！");
            }
            else if (msg == "error") {
                alert("您的请求带有不合法的参数，谢谢合作！");
            }
        }
    });
    //提交信息结束
}
//验证码，看不请，换一张
function imgchange(imgid) {
    var img = document.getElementById(imgid);
    img.src = img.src + '?' + Math.random();
}
//获得焦点
document.onkeydown = function (event) {
    e = event ? event : (window.event ? window.event : null);
    if (e.keyCode == 13) {
        document.getElementById("Button1").click();
        return false;
    }
}