// Image Functions
// changeImage() and preload() functions for rollovers and GIF animation
// Created & Produced by TigerRedi Limited - creative internet www.tigerredi.co.uk

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);
  } 
  
  
function HiNav(imgNam)
  {
  HiImage(imgNam);
  var imgObj = imgNam+'3';
  changeImage(null,'hdr',imgObj);
  }
  
function NormNav(imgNam)
  {
  NormImage(imgNam);
  changeImage(null,'hdr','blank')
  }