//<!-- INIZIO PREV FOTO
function PrevFoto(img,w,h)
{
  foto1= new Image();
  foto1.src=(img);
  Controlla(img,w,h);
}
function Controlla(img,w,h)
{
  if((foto1.width!=0)&&(foto1.height!=0))
  {
    viewFoto(img,w,h);
  }
  else
  {
    funzione="Controlla('"+img+"')";
    intervallo=setTimeout(funzione,20);
  }
}

var newwin = null;
function viewFoto(img,w,h) 
{
	w=foto1.width+20;
	h=foto1.height+25;
	LeftPosition = (screen.width/2)-(w/2);
	TopPosition = (screen.height/2)-(h/2);
	settings='height='+h+',width='+(w)+',top='+TopPosition+',left='+LeftPosition+',resizable=no';
	settings = settings + ',status=no,scrollbars=no';
	newwin = window.open(img,"TITLE",settings);
}
//  FINE PREV FOTO -->