// file banner.js
// questo file contiene la lista dei banner da visualizzare


function casuale(n) {
//  l=eval('lista'+n);	
  current[n] = Math.floor(Math.random()*lista[n].length);
//current[n]=0;
 return lista[n][current[n]];
}
function sequenziale(n) {
//  l=eval('lista'+n);	
  current[n] = (current[n]+1) % lista[n].length;
  return lista[n][current[n]];
}

function banner(img,url) {
  this.img = img;
  this.url = url;
}

var num_banner=3;
tot=new Array(7000,8000,9000,3000,3000);
current=new Array(0,0,0,0,0);

var i = 0;
var lista = new Array(5);
lista[0] = new Array();
lista[1] = new Array();
lista[2] = new Array();
lista[3] = new Array();
lista[4] = new Array();

for (k=0; k<num_banner; k++) {
	i=0;
	while (listaid[k][i]) {
		lista[k][i] = new banner('/banners/'+listanomi[k][i],'http://www.sinergyexpo.com/bannad/click.php?bannerID='+listaid[k][i]);
		i++;
	}
}

bannaux = new Array("","","","",""); 
for (j=0; j<num_banner; j++) {
	bannaux[j]=casuale(j);
}	

function banclick(n) {
window.open(bannaux[n].url);
//  top.location.href = bannaux[n].url;
}
function ruota(n) {
  bannaux[n] = sequenziale(n);
  imgx=eval('document.banimg'+n)
  imgx.src = bannaux[n].img;
  var id = setTimeout('ruota('+n+')',tot[n]);

}

function add_banner(n) {
var code = '';
code += '<a href="javascript: banclick('+n+')">';
code += '<img name="banimg'+n+'" src="' + bannaux[n].img + '" border="0">';
code += '</a>';
document.write(code);
}