function setColorOn(objName)
{
  if (objName.style)
  {
    objName.style.backgroundColor = "#e2efae";
  }
}

function setColorOff(objName)
{
  if (objName.style)
  {
    objName.style.backgroundColor = "#e6ebd0";
  }
}

function switchImage(imgName, imgSrc) 
{
  if (document.images)
  {
    if (imgSrc != "none")
    {
      document.images[imgName].src = imgSrc;
    }
  }
}