<map id="hdrl_areals" name="hdrl_areals">
<area shape="rect" id="Node000002" href="$a00628.html" title="Main function of the catalogue." alt="" coords="5,5,93,31"/>
<area shape="rect" id="Node000001" title="Work out the areal profiles for an object." alt="" coords="141,5,236,31"/>
</map>
