// JavaScript Document
function randomiseDiv()
{
      // Define how many divs we have
      var divCount = 58;
      // Get our random ID (based on the total above)
      var randomId = Math.floor(Math.random()*divCount+1);
      // Get the div that's been randomly selectted
      var chosenDiv= document.getElementById(randomId);
      // If the content is available on the page
      if (chosenDiv)
      {
      // Update the display
      chosenDiv.style.display = 'block';
      }
}
$(document).ready(function() { randomiseDiv(); });