// 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;
}