if (document.images) {
  image1on = new Image();
  image1on.src = "images/story_on.gif";
  image1off = new Image();
  image1off.src = "images/story_off.gif";
  image2on = new Image();
  image2on.src = "images/creators_on.gif";
  image2off = new Image();
  image2off.src = "images/creators_off.gif";
  image3on = new Image();
  image3on.src = "images/preview_on.gif";
  image3off = new Image();
  image3off.src = "images/preview_off.gif";
  image4on = new Image();
  image4on.src = "images/downloads_on.gif";
  image4off = new Image();
  image4off.src = "images/downloads_off.gif";
  image5on = new Image();
  image5on.src = "images/contact_on.gif";
  image5off = new Image();
  image5off.src = "images/contact_off.gif";
  image6on = new Image();
  image6on.src = "images/news_on.gif";
  image6off = new Image();
  image6off.src = "images/news_off.gif";
}

function setImageOn(imageName) {
  if (document.images) {

  image1off.src = "images/story_off.gif";
  image2off.src = "images/creators_off.gif";
  image3off.src = "images/preview_off.gif";
  image4off.src = "images/downloads_off.gif";
  image5off.src = "images/contact_off.gif";
  image6off.src = "images/news_off.gif";
   document.image1.src = image1off.src;
   document.image2.src = image2off.src;
   document.image3.src = image3off.src;
   document.image4.src = image4off.src;
   document.image5.src = image5off.src;
   document.image6.src = image6off.src;

   eval(imageName + 'off').src = eval(imageName + 'on').src;
	turnOn(imageName);
  }
}


function turnOn(imageName) {
  if (document.images) {
    document[imageName].src =
      eval(imageName + 'on.src');
  }
}

function turnOff(imageName) {
  if (document.images) {
    document[imageName].src =
      eval(imageName + 'off.src');
  }
}