if(document.images)
  {
  var imgOn = new Array(8);
  var imgOff = new Array(8);
  
  imgOn[0] = new Image();   imgOff[0] = new Image();
  imgOn[1] = new Image();   imgOff[1] = new Image();
  imgOn[2] = new Image();   imgOff[2] = new Image();
  imgOn[3] = new Image();   imgOff[3] = new Image();
  imgOn[4] = new Image();   imgOff[4] = new Image();
  imgOn[5] = new Image();   imgOff[5] = new Image();
  imgOn[6] = new Image();   imgOff[6] = new Image();
  imgOn[7] = new Image();   imgOff[7] = new Image();
    
  imgOn[0].src = "images/home_on.jpg";  		imgOff[0].src = "images/home_off.jpg";
  imgOn[1].src = "images/history_on.jpg";		imgOff[1].src = "images/history_off.jpg";
  imgOn[2].src = "images/faith_on.jpg";			imgOff[2].src = "images/faith_off.jpg";
  imgOn[3].src = "images/doctrine_on.jpg";		imgOff[3].src = "images/doctrine_off.jpg";
  imgOn[4].src = "images/events_on.jpg";		imgOff[4].src = "images/events_off.jpg";
  imgOn[5].src = "images/bibleschool_on.jpg";	imgOff[5].src = "images/bibleschool_off.jpg";
  imgOn[6].src = "images/ecclesias_on.jpg";		imgOff[6].src = "images/ecclesias_off.jpg";
  imgOn[7].src = "images/links_on.jpg";			imgOff[7].src = "images/links_off.jpg";
  }

  // array numbers start at zero but we want to start numbering at one,
  //so thats why we subtract one from the imgNumber
  
  function on(imgNumber)
  {if(document.images)
      document[imgNumber].src = imgOn[imgNumber].src;}
  
  function off(imgNumber)
  {if(document.images)
      document[imgNumber].src = imgOff[imgNumber].src;}