$(document).ready(function() {
    $("#register_form").submit(function() {
        $('#register_result').html('<img src="path to file" /> Registering...');
        $.ajax({
            type: "POST",
            url: "path to file",
            data: {
                email: $('#email').val(),
                user: $('#user').val(),
                pass: $('#pass').val(),
                pass2: $('#pass2').val()
            },
            success: function(result) {
                if(result == 1){
                    $('#register_result').html('Username taken!');
                } else if(result == 0) {
                    $('#register_result').html('Error in the form (make sure nothing was left blank and passwords match)');
                } else if(result == 2) {
                    $('#register_result').html('Incorrect style of email, please re-check that its correct!');
                } else if(result == 3) {
                    $('#register_result').html('Success! Account created');
                } else {
                    $('#register_result').html('Something went wrong, we will get our crack team of nerds to help fix your problem!');
                }
            },
            error: function(jqXHR, textStatus, errorThrown) {
                alert(JSON.stringify(jqXHR));
            }
        });
        return false;
    });
});