for (var i=0; i<mapkey.length; i++)
{
  var keywords= mapkey[i].keywords.split(", ");
  var output = "<b>"+mapkey[i].title+"</b><br>";
  for (var j=0; j<keywords.length; j++)
  {    
    document.write('<li><a target="blank" href="http://www.tgcom.mediaset.it/yahoo/hotspotslist.shtml?Keywords='+ keywords[j]+'&type='+sezione+'">'+keywords[j]+'</a></li>');   
  }  
}