// Rollover functionality
// copyright 1999 Idocs, Inc. http://www.idocs.com/tags/
// Distribute this script freely, but please keep this 
// notice with the code.

var rollOverArr=new Array();
function setrollover(OverImgSrc,pageImageName)
{
   if(!document.images)
      return;
   if(pageImageName == null)
	  pageImageName = document.images[document.images.length-1].name;
	  
   rollOverArr[pageImageName] = new Object;
   rollOverArr[pageImageName].overImg = new Image;
   rollOverArr[pageImageName].overImg.src = OverImgSrc;
}

function rollover(pageImageName)
{
   if(!document.images)
      return;
   if(!rollOverArr[pageImageName])
      return;
   if(!rollOverArr[pageImageName].outImg)
   {
      rollOverArr[pageImageName].outImg = new Image;
      rollOverArr[pageImageName].outImg.src = document.images[pageImageName].src;
   }
   document.images[pageImageName].src = rollOverArr[pageImageName].overImg.src;
}

function rollout(pageImageName)
{
   if(!document.images)
      return;
   if(!rollOverArr[pageImageName])
      return;
   document.images[pageImageName].src = rollOverArr[pageImageName].outImg.src;
}