function scriviCookie(nomeCookie,valoreCookie,durataCookie){
  var scadenza = new Date();
  var adesso = new Date();
  scadenza.setTime(adesso.getTime() + (parseInt(durataCookie) * 60000));
  document.cookie = nomeCookie + '=' + escape(valoreCookie) + '; expires=' + scadenza.toGMTString() + '; path=/';}

function leggiCookie(nomeCookie){
  if (document.cookie.length > 0){
    var inizio = document.cookie.indexOf(nomeCookie + "=");
    if (inizio != -1){
      inizio = inizio + nomeCookie.length + 1;
      var fine = document.cookie.indexOf(";",inizio);
      if (fine == -1) fine = document.cookie.length;
      return unescape(document.cookie.substring(inizio,fine));
    }else{
       return "";
    }
  }
  return "";
}

var nome = leggiCookie('popup');
if (nome!="screen"){
scriviCookie('popup','screen',60);
document.write('<div style="position:absolute; width:100%; height:96%" id="popup" ><a href="#" onClick="document.getElementById(\'popup\').style.visibility=\'hidden\';" style="display:block; padding:10px; background:#c00; font-weight:bold; text-align:right;color:white;" onClick="">Chiudi finestra [x]</a><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0" width="100%" height="100%" id="verdure" align="middle"><param name="allowScriptAccess" value="sameDomain" /><param name="allowFullScreen" value="false" /><param name="movie" value="verdure.swf" /><param name="quality" value="high" /><param name="bgcolor" value="#ffffff" /> <embed src="verdure.swf" quality="high" bgcolor="#ffffff" width="100%" height="100%" name="verdure" align="middle" allowScriptAccess="sameDomain" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go/getflashplayer_it" /></object></div>');
}