if (document.images) {



	prevarw = new Image
	prevarw.src = "http://www.buffalorivergallery.com/images/prev.jpg"
	prevarw_ro = new Image
	prevarw_ro.src = "http://www.buffalorivergallery.com/images/prev_ro.jpg"

	nextarw = new Image
	nextarw.src = "http://www.buffalorivergallery.com/images/next.jpg"
	nextarw_ro = new Image
	nextarw_ro.src = "http://www.buffalorivergallery.com/images/next_ro.jpg"


}
	function chgImg(imgField,newImg) {
	if (document.images) {
	document[imgField].src= eval(newImg + ".src")
	}
}