function zoomPic() {

evSrc = window.event.srcElement;

if (evSrc.tagName == "IMG") {

	if (evSrc.name) {

		evSrcName = evSrc.name;

		if (evSrcName.substring(0,7) == "zoomPic") {

			var evPos = evSrc.sourceIndex

			var maxAnzahlTags = document.all.length;

			var zoomPicNum = evSrcName.substring(12,13);

			var picName = "posZoomPicLarge" + zoomPicNum;

			if (evSrcName.substring(0,12) == "zoomPicSmall") {

				for (var x=evPos;x<maxAnzahlTags;x++) {

					if (document.all[x].id == picName) {

						document.all[x].style.visibility = "visible";

						break;

					}

				}

			}

			else {

				for (var x=evPos;x>0;x--) {

					if (document.all[x].id == picName) {

						document.all[x].style.visibility = "hidden";

						break;

					}

				}

			}

		}

	}

}

}