function animazione_flash() {
      document.write("<object type='application/x-shockwave-flash' data='roncolina.swf'width='449' height='313' id='roncolina'>\n");
      document.write("<param name='movie' value='roncolina.swf' />\n");
      document.write("<param name='quality' value='high' /><param name='wmode' value='transparent' />\n");
      document.write("</object>\n");
}