<map id="GraphItem" name="GraphItem">
<area shape="rect" id="node3" href="$a00064.html" title="Class to represent blue nodes. " alt="" coords="5,80,112,107"/>
<area shape="rect" id="node5" href="$a00322.html" title="Class to represent red nodes. " alt="" coords="137,80,244,107"/>
</map>
