function animazione_flash(file_xml) {

      document.write("<object type='application/x-shockwave-flash' data='slideshow_anteprima.swf?elenco=" + file_xml +"' width='990' height='225' id='slideshow'> ");
      document.write("<param name='movie' value='slideshow_anteprima.swf?elenco=" + file_xml +"' /> ");
      document.write("<param name='quality' value='high' /><param name='wmode' value='transparent' /> ");
      document.write("</object> ");

}