<script language="javascript">
  var _width = element.width;
  var _hieght = element.height;
  var _maxpixel = _width;
  var _which = "w";
  var maxwidth = 700;
  var maxheight = 525;
  
  element.onmousewheel = test;
  if (element.width > maxwidth) {
    element.width = maxwidth;
    element.removeAttribute("height");
        }
    
        if (element.parentElement.tagName != "A"){    
             var _html = "";
             _html += "<div align=center><a href=\""+element.src+"\" target=\"_blank\">";
             _html += element.outerHTML;
             _html += "</a></div>";
             element.outerHTML = _html;
        }
  function test() {
    return zoomimg(element)
  }
function zoomimg(pic){
  var zoom=parseInt(pic.style.zoom,10)||100;
  zoom+=event.wheelDelta/12;
  if (zoom>0) pic.style.zoom=zoom+'%';
  return false;
}
</script>