// *****************************************
// *** Here is the array ***
// *****************************************
var wordArray = new makeArray(
    "<img src=\"http://www.gypsyguide.com/lasvegas/assets/images/banner-hoover.jpg\" alt=\"GyPSy Guide\" />",
    "<img src=\"http://www.gypsyguide.com/lasvegas/assets/images/banner-redrock.jpg\" alt=\"GyPSy Guide\" />",
    "<img src=\"http://www.gypsyguide.com/lasvegas/assets/images/banner-vegas.jpg\" alt=\"GyPSy Guide\" />"
    );
 
// *****************************************
// *** Functions to make the arrays work ***
// *****************************************
 
  function makeArray(){
    this.length = makeArray.arguments.length
    for (var i = 0; i < this.length; i++)
      this[i + 1] = makeArray.arguments[i]
  }
 
  function randNum(num) {
    var now = new Date();
    var rand = Math.round(num * Math.cos(now.getTime()));
    if (rand < 0)
       rand = - rand;
       if (rand == 0)
         rand++;
    return rand;
  }
 
// *****************************************
// *** Assign a random entry from the array to a variable ***
// *****************************************
function WriteHeaderCode() {
  var HeadingImageCode = wordArray[randNum(wordArray.length)];
  document.write(HeadingImageCode);
}