preloadImage('pipe', 'off', '/images/pipe.jpg');
      preloadImage('pipe', 'on', '/images/pipe_hover.jpg');
      function openPicture(anchor)
      {
        img = anchor.firstChild;
        window.open('/preview.cfm?src=' + anchor.href + '&title=' + img.getAttribute('alt'), '_blank', 'width=' + anchor.getAttribute('width') + ',height=' + anchor.getAttribute('height'));
      }