.bd1 {
	position:absolute;
	top:318px;
	width:140px;
	height:119px;
	background-image:url(../immagini/pub1.gif);
	right:5px;
  }
         .bd2 {
	position:absolute;
	top:450px;
	width:139px;
	height:117px;
	background-image:url(../immagini/pub.gif);
	right:5px;
  }
         .bd3 {
	position:absolute;
	top:580px;
		width:139px;
	height:117px;
	background-image:url(../immagini/pub.gif);
	right:5px;
  }
        .bd4 {
	position:absolute;
	top:710px;
	width:139px;
	height:117px;
	background-image:url(../immagini/pub.gif);
	right:5px;
  }