random_number= Math.floor(Math.random()* 9+1 );
if (readCookie("flip") == "Y")
{
// Loads the appropriate image based on random number.
image="url(/picture/upload/Image/banner" + random_number + ".jpg)";
createCookie("imageURL", image, null);
} else {
 image = readCookie("imageURL");
 if (!image) {
  image="url(/picture/upload/Image/banner" + random_number + ".jpg)";
 }
}

random_number2= Math.floor(Math.random()* 10+1 );
image2="/picture/upload/Image/random" + random_number2 + ".jpg";