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

page_name = "";

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)
  {
  if (page_name != imgName)
    {
    var imgObj = imgName + '2';
    changeImage(null, imgName, imgObj);
    }
  }
 
function NormImage(imgName) 
  {
  if (page_name != imgName)
    {
    var imgObj = imgName + '1';
    changeImage(null, imgName, imgObj);
	 }
  } 

function DownImage(imgName)
  {
  var imgObj = imgName + '3';
  changeImage(null, imgName, imgObj);
  page_name = imgName;
  }