$(document).ready(function(){
    $('#nameField').addClass("no-disp");
    $('#newsletter-signup-form').submit(function(){
        var email = $('#subscribeField').val();
        if(validateEmail(email)) {
            return true;
        } else {
            alert("Please enter a valid email address");
            return false;
        }
    });
});

function validateEmail(email) { 
    var re = /^(("[\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 email.match(re) 
}