if (document.all) {
  ver5 = false;
  doc = "document.all";
  sty = ".style";
  htm = "";
} else {
  ver5 = false;
  doc = "document";
  sty = "";
  htm = ".document";
}

function writeArticle(elt) {
  var yText = '<table border="0" cellpadding="0" cellspacing="0" bordercolor="#663300" bordercolorlight="#663300" bordercolordark="#663300" bgcolor="#DEDDF6" width="200" height="45"><tr><td align="center"><p><b>' + arrNews[elt].title + '</b><hr width="98%" color="#FFFF00">' + arrNews[elt].date +'<br><br><img align="center" src="'+ arrNews[elt].img +'"></p></td></tr></table>';
  return yText;
}

var lunghezza = arrNews.length - 1;
var SPEED = 2;
var INTERVAL = 2700;
var bWriting = false;

function mostralayer(num) {
  for(var i = 1; i < arrNews.length; i++) {
    nascondilayer(i);
  }
    if(document.all) {
    eval(doc + '["img' + num + 'Layer"]' + sty + '.visibility = "visible"');
    document.all.indirizzoLayer.innerHTML = writeArticle(num-1);
    document.all.indirizzoLayer.style.visibility = 'visible';
  } else {
    if(bWriting){
      Z = num;
      setTimeout('mostralayer(Z)', 400);
    } else {
      eval('document.pictureLayer.document["img' + num + 'Layer"].visibility = "visible"');
      document.pictureLayer.document.indirizzoLayer.document.open();
      document.pictureLayer.document.indirizzoLayer.document.write(yText);
      document.pictureLayer.document.indirizzoLayer.document.close();
      document.pictureLayer.document.indirizzoLayer.visibility = "visible";
    }
  }
}

function nascondilayer(num) {
  if(document.all) {
    eval(doc + '["img' + num + 'Layer"]' + sty + '.visibility = "hidden"');
    document.all.indirizzoLayer.style.visibility = 'hidden';
  } else {
    eval('document.pictureLayer.document["img' + num + 'Layer"].visibility = "hidden"');
    document.pictureLayer.document.indirizzoLayer.visibility = 'hidden';
  }
}