var images = [
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic1.gif' width='440' height='200' border='0'>", 1],
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic2.gif' width='440' height='200' border='0'>", 2],
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic3.gif' width='440' height='200' border='0'>", 3],
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic4.gif' width='440' height='200' border='0'>", 4],
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic5.gif' width='440' height='200' border='0'>", 5],
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic6.gif' width='440' height='200' border='0'>", 6], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic7.gif' width='440' height='200' border='0'>", 7], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic8.gif' width='440' height='200' border='0'>", 8], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic9.jpg' width='440' height='200' border='0'>", 9], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic10.jpg' width='440' height='200' border='0'>", 10], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic11.jpg' width='440' height='200' border='0'>", 11], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic12.jpg' width='440' height='200' border='0'>", 12], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic13.jpg' width='440' height='200' border='0'>", 13], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic14.jpg' width='440' height='200' border='0'>", 14], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic15.jpg' width='440' height='200' border='0'>", 15], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic16.jpg' width='440' height='200' border='0'>", 16], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic17.jpg' width='440' height='200' border='0'>", 17], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic18.jpg' width='440' height='200' border='0'>", 18], 
["<img src='http://www.dcathletic.co.uk/javascript/imgs/pic19.jpg' width='440' height='200' border='0'>", 19], 


 
];var randomValue = Math.random() * 19;var imageId = -1;
  for (i = 0; i < images.length; i++) {
    if (randomValue <= images[i][1]) {
      imageId = i;
      break;
    }
  }
  document.write(images[imageId][0]);
