function animazione_flash() {
      document.write("<object type='application/x-shockwave-flash' data='index.swf'width='550' height='790' id='index'> ");
      document.write("<param name='movie' value='index.swf' /> ");
      document.write("<param name='quality' value='high' /><param name='wmode' value='transparent' /> ");
      document.write("</object> ");

}