if (document.images)
{
  // Active Images
  profileson = new Image();
  priceson = new Image();
  bringon = new Image();
  lodgingon = new Image();
  bookon = new Image();
        
  profileson.src = "gfx/profiles1.gif";
  priceson.src = "gfx/prices1.gif";
  bringon.src = "gfx/bring1.gif";
  lodgingon.src = "gfx/lodging1.gif";
  bookon.src = "gfx/book1.gif";
        
  // Normal Images
  original = new Image();
}
function turnon(imgName)
{
  if (document.images)
  {
    original.src = document[imgName].src;
    document[imgName].src = eval(imgName + "on.src");
  }
}
function turnoff(imgName)
{
  if (document.images)
  {
    document[imgName].src = original.src;
  }
}