foobar

  for(var i = 1; i < number_of_banners; i++ ){
    var banner = creativeList[i];
    if(Math.abs((client.height+client.width)-(banner.height+banner.width)) < Math.abs((client.height+client.width)-(chosen_banner.height+chosen_banner.width)) && Math.abs(banner.ratio-client.optimal_ratio) < 0.3 ){
      chosen_banner = banner;
    }
  }