var bannerwidth = 300;
var bannerheight = 60;
var sponsor_nr=4;
var timerot = 5000;
var halt=0;
var banner_nr=2
var ie4=document.all;
var ns4=document.layers;
var ns6=document.getElementById&&!document.all;

mybanner=new Array();
mybanner[0]="";
mybanner[1]="";

im=new Array();
im[0]="immagini/banner/bigi2.gif";
im[1]="immagini/banner/anabic.gif";
im[2]="immagini/banner/bigi.gif";
im[3]="immagini/banner/masseriacolombo.jpg";

var dest=new Array();
dest[0]="http://www.chianinadicanossa.it";
dest[1]="pubblicita.htm";
dest[2]="http://www.chianinadicanossa.it";
dest[3]="http://www.masseriacolombo.it";

function rotateIt(){
  for (var i=0;i<=banner_nr-1;i++){
      sponsor_ctr=Math.floor((sponsor_nr*Math.random()));
	  mybanner[i]='<a href="'+dest[sponsor_ctr]+'" target="_blank"><img src="'+im[sponsor_ctr]+'" border=0></a>';
  }
  if (ie4) {
	 banner1.innerHTML = mybanner[0];
	 banner2.innerHTML = mybanner[1];
  } else if (ns6){
	 document.getElementById("banner1").innerHTML = mybanner[0];
	 document.getElementById("banner2").innerHTML = mybanner[1];
  }	 
  tmr=setTimeout("rotateIt()",+timerot);
}