function popupImage(imageSRC, imageWidth, imageHeight, imageAlt, windowName) {
winHeight = imageHeight+ 5;
winWidth = imageWidth+ 5;
popupWin = window.open("", windowName, "width=" + winWidth + ",height=" + winHeight + ",status=yes,toolbar=no,menubar=no,scrollbars=auto,resizable=yes");
popupWin.document.open();
popupWin.document.write("");
popupWin.document.write("" + imageAlt + "");
popupWin.document.write('');
popupWin.document.write('');
popupWin.document.write('');
popupWin.document.write("");
popupWin.document.close();
popupWin.focus()
}