1. first page: homepage.html 2. homepage.html->infopage.html 3. infopage.html contains links.html, voindia.html, black.html 4. links.html->1)voindia.html ->2>literature.html ->3>people.html ->4>linkstosites.html ->5>homepage.html 5: literatre.html->1>topicmap.html ->2>miningthesky.html ->3>vopapers.html ->4>fitsformat.html 6: fitsformat.html->1>heasarc.html ->2>nrao.html 7: heasarc.html->1>c_heasarc.html ->2>fortran_heasarc.html ->3>manuals.html 8: nrao.html->1>nraosamples.html ->2>nraotests.html