<!--

function postload()
{ 
  var args = postload.arguments;
  document.imageArray = new Array(args.length);
  for(var i=0; i<args.length; i++)
  {
    document.imageArray[i] = new Image;
    document.imageArray[i].src = args[i];
  }
}

function imageOver(imgName)
{
	switchImage(imgName, "assets/img/nav_"+imgName+"_down.gif");
}

function imageOut(imgName)
{
	switchImage(imgName, "assets/img/nav_"+imgName+"_up.gif");
}

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


//-->