// Image Functions
// changeImage() and preload() functions for rollovers and GIF animation

function preloadSafe(imgObj, imgSrc)
  {
  if (document.images)
    {
	eval(imgObj + ' = new Image()');
	eval(imgObj + '.src = "' + imgSrc + '"');
    }
  }

function preload(imgObj, imgSrc)
  {
  eval(imgObj + ' = new Image()');
  eval(imgObj + '.src = "' + imgSrc + '"');
  }
  
function changeImage(layer, imgName, imgObj)
  {
  if (document.images)
    {
	if (document.layers && layer != null)
	  eval('document.' + layer + '.document.images["' + imgName + '"].src = ' + imgObj + '.src');
	else
	  document.images[imgName].src = eval(imgObj + ".src");
	}
  }
  
function HiImage(imgName)
  {
  var imgObj = imgName + '2';
  changeImage(null, imgName, imgObj);
  }
 
function NormImage(imgName) 
  {
  var imgObj = imgName + '1';
  changeImage(null, imgName, imgObj);
  }