function HM_f_SwapImage(imgName, newSrc) {
	if((document.images)&&(document.images[imgName])) {
		document.images[imgName].src=newSrc;
	}
}

if(window.event + "" == "undefined") event = null;

function HM_f_PopUp(menuName,e,imgName,imgSrc){
	HM_f_SwapImage(imgName,imgSrc);
	return false;
};
function HM_f_PopDown(menuName,e,imgName,imgSrc){
	HM_f_SwapImage(imgName,imgSrc);
	return false;
};

popUp = HM_f_PopUp;
popDown = HM_f_PopDown;