$(document).ready(function()
{
     $("input[name=dodaj_subskrybenta]").click(function()
     {
     var email = $("input[name=email_subskrybenta]").val();
     var dataString = 'email_subskrybenta='+ email;

     $.ajax
          ({
               type: "POST",
               url: "system/ajax/newsletter_dodaj.php",
               data: dataString,
               cache: false,
               success: function(msg)
               {
                    $("span.komunikat_newsletter").html(msg);
               }
          });
     });
});

$(document).ready(function()
{
     $("input[name=usun_subskrybenta]").click(function()
     {
     var email = $("input[name=email_subskrybenta]").val();
     var dataString = 'email_subskrybenta='+ email;

     $.ajax
          ({
               type: "POST",
               url: "system/ajax/newsletter_usun.php",
               data: dataString,
               cache: false,
               success: function(msg)
               {
                    $("span.komunikat_newsletter").html(msg);
               }
          });
     });
});