the page i would like to download is
<http://www.hkgeospatial.gov.hk/website/gih2/viewer_eng.jsp>
but cannot download directly

(the web page have to access through:
<http://www.hkgeospatial.gov.hk/website/gih2/home.jsp?lang=en>
and press enter and press accept)

could anyone tell me how can i download the map in the page
<http://www.hkgeospatial.gov.hk/website/gih2/viewer_eng.jsp> ?
thanks