my index.html - bottom half
    <div class='row'>
      <div class='cell c3' id='8' onClick='cell_clicked(this);'></div>
      <div class='cell c0' id='9'></div>
      <div class='cell c0' id='10'></div>
      <div class='cell c3' id='11' onClick='cell_clicked(this);'></div>
    </div>
    <div class='row'>
      <div class='cell c1' id='12' onClick='cell_clicked(this);'></div>
      <div class='cell c2' id='13' onClick='cell_clicked(this);'></div>
      <div class='cell c3' id='14' onClick='cell_clicked(this);'></div>
      <div class='cell c1' id='15' onClick='cell_clicked(this);'></div>
    </div>
  </div>
  <div id='message'></div>
  <script>
    var g_cell1='';
    var g_word_ids=
  [[0,1,2,3],[0,4,8,12],[3,7,11,15],[12,13,14,15]];
    var g_set= word4_sets[Random((word4_sets.length)-1)];
    var g_colour_ids= [[0,3,12,15],[1,4,7,13],[2,8,11,14]];
    load_words();
    shuffle_letters();
    words_check();
  </script>
</body>
</html>