if(document.images)
{
  var image_array = new Array();

  // path to the directory with images
  var path = '/images/stories/front/';

  // enumeration of the "active" images
    image_array[0] = path + "s1_off.png";
    image_array[1] = path + "s1_on.png";
    image_array[2] = path + "s2_off.png";
    image_array[3] = path + "s2_on.png";
	image_array[4] = path + "s3_off.png";
	image_array[5] = path + "s3_on.png";
	image_array[6] = path + "s4_off.png";
	image_array[7] = path + "s4_on.png";
	image_array[8] = path + "s5_off.png";
	image_array[9] = path + "s5_on.png";
	image_array[10] = path + "services10.png";
	image_array[11] = path + "services11.png";
	image_array[12] = path + "services12.png";
	image_array[13] = path + "services13.png";
	image_array[14] = path + "services14.png";
	image_array[15] = path + "services15.png";

  var preload_image = new Array ();

  for(var i=0; i<image_array.length; i++)
  {
    preload_image[i]= new Image();
    preload_image[i].src = image_array[i];
  }
}

function rollover(name, filename)
{
  var fullpath = '/images/stories/front/' + filename;
  document.images[name].src = fullpath;
}