$(function() {
    email = "UserName";
    pwd = "Password";
    $("#" + email).addClass("login_big");
    $("#" + pwd).addClass("login_big");
    $("#" + pwd).focus(function() {
        if ($("#" + pwd).val()) {
            $("#" + pwd).val("");
        }
    });
    $('#LoginForm').validate({
        errorPlacement: function(error, element) {
            error.appendTo(element.parent().next());
        },
        rules: {
            UserName: {
                required: true
            },
            Password: {
                required: true
            }
        },
        messages: {
            UserName: {
                required: "Please enter the user name"
            },
            Password: {
                required: "Please enter the password"
            }
        }
    });
});

$().ready(function() {
    $("#UserName").focus();
})