// Amazon vars
amazon_ad_tag = "fiftyfathoms-20";
amazon_ad_width = "728";  
amazon_ad_height = "90";  
amazon_color_link = "0000FF";
                
// Google vars

google_ad_client = "pub-4496379500546411";
google_ad_width = 728;
google_ad_height = 90;
google_ad_format = "728x90_as";
google_ad_type = "text_image";
//2007-05-07: fiftyfathoms
google_ad_channel = "7970873972";
google_color_border = "336699";
google_color_bg = "FFFFFF";
google_color_link = "0000FF";
google_color_text = "000000";
google_color_url = "008000";


var banners = new Array(6);

banners[0] = "<script src='http://www.assoc-amazon.com/s/ads.js'><\/script>";
banners[1] = "<script src='http://pagead2.googlesyndication.com/pagead/show_ads.js'><\/script>";
banners[2] = "<script src='http://www.assoc-amazon.com/s/ads.js'><\/script>";
banners[3] = "<script src='http://pagead2.googlesyndication.com/pagead/show_ads.js'><\/script>";
banners[4] = "<script src='http://www.assoc-amazon.com/s/ads.js'><\/script>";
banners[5] = "<script src='http://pagead2.googlesyndication.com/pagead/show_ads.js'><\/script>";

document.write(banners[Math.floor(Math.random() * banners.length)]);