$(document).ready(function(){

$("#u_ansver_1").css("display","none");
$("#u_ansver_2").css("display","none");
$("#u_ansver_3").css("display","none");
$("#u_message").css("display","none");

function isValidEmailAddress(emailAddress) {
  var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i);
  return pattern.test(emailAddress);
};

$("#u_send").click(function(){
    var userName = $("#u_name").val();
    var userMail = $("#u_mail").val();
    var userText = $("#u_text").val();
    var userTel = $("#u_tel").val();
    if (userText != 0)
        {
        if (isValidEmailAddress(userMail))
            {
            $("#u_message").show("slow");
            $.ajax({
                type: "POST",
                url: "/",
                data: "AjaxRequest=AddMessage&userName=" + userName + "&userMail=" + userMail + "&userText=" + userText + userTel,
            });
            $("#u_ansver_1").show("slow");
            }
        else
            {
            $("#u_ansver_2").show("slow");
            }
        }
    else
        {
        $("#u_ansver_3").show("slow");
        }
    });
});