title: Jquery execute onchange event on onload
body: <p>I have a function that on change event run the post actions.</p>
  
  <pre><code>$("select#marca").change(function(){
      var marca = $("select#marca option:selected").attr('value');
      $("select#modello").html(attendere);
  $.post("select.php", {id_marca:marca}, function(data){
          $("select#modello").html(data);
      });
  });
  </code></pre>
  
  <p>I would like to perform this function onload event. Is it possible?
  Is there a good way to do this?</p>