function CaricaFrames(url) {
   if (url=='') url='content.html'
   // per l'ingrediente segreto dello chef tnx to Papuiccio: 
   url=url+'?a'
      
   document.write('<!doctype html public "-//w3c//dtd html 4.0 transitional//en">')
   document.write('<html>')
   document.write('<head>')
   document.write('        <title>..:: Chebios s.r.l. - Forniture per i laboratori di analisi ::..</title>')
   document.write('        <meta name="Author" content="Alessia Trama">')
   document.write('        <meta name="Generator" content="text editor">')
   document.write('        <meta name="Description" content="Il sito web della società Chebios s.r.l., da oltre trent\'anni rappresentante delle migliori marche di forniture per i laboratori di analisi"')
   document.write('        <meta name="KeyWords" content="Chebios, analisi, laboratori, Perkin Elmer, Restek, Kimble, analysis">')
   document.write('        <link rel="stylesheet" href="cssstyle.css" type="text/css">')
   document.write('        <link rel="shortcut icon" HREF="favicon.ico">')
   document.write('</head>')
      
   document.write('<frameset cols="220,*" frameborder="0" framespacing="0" border="0" resize="no">')
   document.write('        <frame name="bar_left" src="bar_left.html" marginwidth="0" marginheight="0" resize="no">')
   document.write('        <frame name="content" src="'+url+'" marginwidth="0" marginheight="0" resize="no">')
   document.write('</frameset>')
   document.write('')
   document.write('</html>')

}

