function validateSignup() {

    var username = document.forms["signup_form"]["username"].value;
    var pass = document.forms["signup_form"]["password"].value;
    var confirm_pass = document.forms["signup_form"]["confirm_password"].value;
    var email = document.forms["signup_form"]["email"].value;

    if(username == "" || pass == "" || confirm_pass == "" || email == "") {
        $("#signup_error").attr("class", "alert alert-danger");
        $("#signup_error").html("All details required. Please fill in all fields.");
        return false;
    } else if(pass != confirm_pass) {
        $("#signup_error").attr("class", "alert alert-danger");
        $("#signup_error").html("Passwords doesn't match.");
        return false;
    }
    else {
        $.ajax({
            url: "authentication.php",
            type: "POST",
            data: { "username" : username, "password" : pass, "email" : email, "subscription" : subscription, "method" : "register"},
            success: function(data){
                console.log(data);
                if(data == true) {
                    var count = 3;
                    $("#signup_error").attr("class", "alert alert-success");
                    $("#signup_error").html("<i class='fa fa-check'></i> Registration successful! Please confirm your e-mail address in order to make your account active. Redirecting in <div id='timer' style='display: inline'></div>");
                    document.getElementById('timer').innerHTML = count;
                    setInterval(function(){
                        count--;
                        document.getElementById('timer').innerHTML = count;
                        if (count == 0) {
                            window.location = 'http://ghostbg.interdevice.club/';
                        }
                    },1000);
                    return false;
                } else {
                    $("#signup_error").attr("class", "alert alert-danger");
                    $("#signup_error").html("<i class='fa fa-ban'></i> Account with that username/email already exist.");
                    return false;
                }
            }
        });
        return false;
    }
}