function graph_map( root_path )
 { 
  

  document.write('   <table border="0" align="center" cellspacing="0" cellpadding="0" vspace="0"> ');
  document.write('    <tr> ');
  document.write('     <td align="center" >  ');
  document.write('      <font size="2"> ');
  document.write('       ( <a href="' + root_path + 'graph_index.html"     >mian - graph</a> ) ');
  document.write('       [ <a href="' + root_path + 'blobby/blobby.html"   >Blobby</a> ] ');
  document.write('       [ <a href="' + root_path + 'ice/ice_index.html"   >IceRay</a> ] ');
  document.write('       [ <a href="' + root_path + 'pov/pov_index.html"   >my POV page</a> ] ');
  document.write('       [ <a href="' + root_path + 'rtrt/rtrt.html"       >RTRT</a> ] ');
  document.write('      </font> ');
  document.write('     </td> ');
  document.write('    </tr> ');
  document.write('   </table> ');
 }