var MM_src=new Array,MM_url=new Array;
  MM_src[0]='http://guide.supereva.it/s/img/sponsor/incontri234_1.gif';
  MM_src[1]='http://guide.supereva.it/s/img/sponsor/incontri234_2.gif';
  MM_src[2]='http://guide.supereva.it/s/img/sponsor/donna234_1.gif';
  // url
  MM_url[0]='http://www.supereva.it/cgi-bin/rd.cgi?cl13';
  MM_url[1]='http://www.supereva.it/cgi-bin/rd.cgi?cl13';
  MM_url[2]='http://www.supereva.it/cgi-bin/rd.cgi?cl20';
var modulo=Math.round( Math.random() * 10000 ) % MM_src.length;  
document.write ( '<a href=\"'+MM_url[modulo]+'\" target=new><img src=\"'+MM_src[modulo]+'\" border=0></a>');