function animazione_flash(num) {

      document.write("<object type='application/x-shockwave-flash' data='base_movie.swf' width='950' height='532' id='filmato'> ");
      document.write("<param name='movie' value='base_movie.swf' /> ");
      document.write("<param name='quality' value='high' /><param name='wmode' value='transparent' /> ");
      document.write("</object> ");

}