codice:
<script type="text/javascript">
   <!--
    var espandi = 0;
        function Loading() {
           document.getElementById('barra').style.width = espandi + 'px';
           espandi++;
           document.getElementById('percentuale').innerHTML = Math.round(espandi / 2) + "%";
              if (espandi != 200) {
                  window.setTimeout("Loading()", 10);
              }
        }
        function Go() {
           location.href = "inviafile.asp";
        }
        window.setTimeout("Go()", 12000);
   //-->
  </script>