$(document).ready(function() {
    var email = $('#betasignup-form #id_email');    
    var name = $('#betasignup-form #id_name');
    $('#betasignup-form').submit(
        function(){
            if (name.val() == ''){
                 showError(name);
            }else if ((email.val() == '') 
                     ||  (email.val().indexOf('@') < 0 )
                     || (email.val().indexOf('.') < 0 )
                     ){                  
                 showError(email);
            }else{
              $.ajax({
                url: $('#betasignup-form').attr("action"),
                global: false,
                type: "POST",
                data: ({'email' : email.val(),
                        'name' : name.val(),
                        'ajax':1 }),
                dataType: "html",
                success: function(){
                    $('#betasignup-form')
                        .html('<div class="message">We\'ll let you know if you are selected.</div>');
                        
                }
            });
                 
            }            
            return false;
        }
        );
    });

function showError(obj){
   obj.css({'border':'2px red solid'});
}