// sdiscovery index.html
// select random image
function rand ( n )
{
  return ( Math.floor ( Math.random ( ) * n + 1 ) );
}
// Store some random image URL's

var random_images = new Array ( );
random_images[0] = "../images/sdiscovery/sd-painting1.jpg";
random_images[1] = "../images/sdiscovery/sd-painting2.jpg";
random_images[2] = "../images/sdiscovery/sd-painting3.jpg";
random_images[3] = "../images/sdiscovery/sd-painting4.jpg";
random_images[4] = "../images/sdiscovery/sd-painting5.jpg";
random_images[5] = "../images/sdiscovery/sd-painting6.jpg";
random_images[6] = "../images/sdiscovery/sd-fishing1.jpg";
random_images[7] = "../images/sdiscovery/sd-fishing2.jpg";
random_images[8] = "../images/sdiscovery/sd-fishing3.jpg";
random_images[9] = "../images/sdiscovery/sd-nurse1.jpg";
random_images[10] = "../images/sdiscovery/sd-nurse2.jpg";
random_images[11] = "../images/sdiscovery/sd-river1.jpg";
random_images[12] = "../images/sdiscovery/sd-rice1.jpg";
random_images[13] = "../images/sdiscovery/sd-crafts01.jpg";
random_images[14] = "../images/sdiscovery/sd-crafts02.jpg";
random_images[15] = "../images/sdiscovery/sd-crafts03.jpg";
random_images[16] = "../images/sdiscovery/sd-crafts04.jpg";
random_images[17] = "../images/sdiscovery/sd-crafts05.jpg";
random_images[18] = "../images/sdiscovery/sd-pool01.jpg";
random_images[19] = "../images/sdiscovery/sd-pool02.jpg";
// Pick a random image from the list,
// and set the image source to that image

function pick_image ( )
{
  document.getElementById("random-image").src = random_images[rand(19)-1];
}