$(document).ready(function() {
    var form = $("#aspnetForm");
    var serverPrefix = "";
    var email = $("#" + serverPrefix + "inputLogin");

    email.blur(validateemailForm);
    email.keyup(validateemailForm);


    var password = $("#" + serverPrefix + "inputPassword");
    var passwordInfo = $("#passwordInfo");
    password.blur(validatepasswordForm);
    password.keyup(validatepasswordForm);


    function validateemailForm() {
       
        var a = email.val();
        var filter = /^[a-zA-Z0-9]+[a-zA-Z0-9_.-]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$/;

        if (filter.test(a)) {
            $("#inputLogin").removeClass("error")

            return true;
        }
        else {
            $("#inputLogin").addClass("error")
            return false
        }
    }
    function validatepasswordForm() {
        if (password.val().length < 4) {
            $("#inputPassword").addClass("error");

            return false
        } else {
            $("#inputPassword").removeClass("error");
            return true
        }
    }
});