jQuery(document).ready(function($) {

  $("#attrib-1").ready(function () {
    $.ajax({
      type: "POST",
      data: "id=" + $("input[name=products_id]").val() + "&size=" + $('#attrib-1 :selected').text(),
      url: "http://www.louis-leonhardt.de/artikel_update.php",
      success: function(data){
        $("#Lieferzeit").replaceWith(data);
      }
    });
  });

  $("#attrib-1").change(function () {
    $.ajax({
      type: "POST",
      data: "id=" + $("input[name=products_id]").val() + "&size=" + $('#attrib-1 :selected').text(),
      url: "http://www.louis-leonhardt.de/artikel_update.php",
      success: function(data){
        $("#Lieferzeit").replaceWith(data);
      }
    });
  });

});