function cyclePhotoAlbum (whichAlbum, whichDirection) {

	if (document.images) {

		if (whichDirection == "forward") {

			if (eval(whichAlbum + "ActiveImgIndex") >= (eval(whichAlbum + "ImgArray").length) - 1) {

				whichImageIndex = 0;

			} else {

				whichImageIndex = (eval(whichAlbum + "ActiveImgIndex") + 1);

			}

		} else if (whichDirection == "back") {

			if (eval(whichAlbum + "ActiveImgIndex") <= 0) {

				whichImageIndex = (eval(whichAlbum + "ImgArray").length - 1);

			} else {

				whichImageIndex = (eval(whichAlbum + "ActiveImgIndex") - 1);

			}

		}

		photoSwitch(whichAlbum, whichImageIndex);

	}

	document[whichAlbum + "Button_" + whichDirection].blur();

}

  

function photoSwitch (whichAlbum, whichImageIndex) {

	if (document.images && whichImageIndex >= 0 && whichImageIndex < eval(whichAlbum + "ImgArray").length) {

		document[whichAlbum + "ImgField"].src = eval(whichAlbum + "ImgArray")[whichImageIndex];

		eval(whichAlbum + "ActiveImgIndex = " + whichImageIndex);   

	}

}