var images = ['yellow_flowers.jpg',
              'flower.jpg',
              'nose.jpg',
              'hyak.jpg',
              'yurt.jpg',
              'rainier.jpg',
              'tbird.jpg',
              'horsetooth.jpg',
              'volcano.jpg',
              'downtown.jpg'];

var captions = ['flowers',
                'flower',
                'river otter',
                'Hyak at Snoqualmie East',
                'yurt',
                'Mts. Rainier and Adams',
                'Thunderbird at Snoqualmie West',
                'Horsetooth Reservoir',
                'Lassen Volcanic NP',
                'Seattle'];

function getAllIrot() {
  document.write('<center>\n');
  for (var i = 0; i < images.length; i++) {
    getIrot(i);
    if (i+1 != images.length) {
      document.write('<hr>\n'); // vertical seperator
    }
  }
  document.write('</center>\n');
}

function getRandomIrot() {
  getIrot(((new Date()).getSeconds()) % images.length);
}

function getIrot(index) {
  document.write('<img src="/irot/'+images[index]+'" border="0"><br>\n');
  document.write('<em class=highlight>'+captions[index]+'</em>\n');
}