function pov_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('        - Patches -&gt;  ');
  document.write('         [ <a href="' + root_path + 'patch/box/box.html"            >Box</a> ]  ');
  document.write('         [ <a href="' + root_path + 'patch/disc/disc.html"          >Disc</a> ]  ');
  document.write('         [ <a href="' + root_path + 'patch/hf/hfield.html"          >Height Field</a> ]  ');
  document.write('         [ <a href="' + root_path + 'patch/matrix/matrix.html"      >Matrix</a> ]  ');
  document.write('         [ <a href="' + root_path + 'patch/plane/plane.html"        >Plane</a> ]  ');
  document.write('         [ <a href="' + root_path + 'patch/polysolv/polysolv.html"  >Polysolve</a>   ]  ');
  document.write('         [ <a href="' + root_path + 'patch/vacuum/vacuum.html"      >Vacuum</a> ]  ');
  document.write('        </font><font size="2"> </font> ');
  document.write('     </td> ');
  document.write('   </tr> ');
  document.write('   <tr>  ');
  document.write('     <td align="center">  ');
  document.write('        - Tests -&gt;  ');
  document.write('         [ <a href="' + root_path + 'test/camera/camera.html" >Camera</a> ]  ');
  document.write('         [ <a href="' + root_path + 'test/object/object.html" >Objects</a> ] ');
  document.write('       </font> ');
  document.write('     </td> ');
  document.write('   </tr> ');
  document.write('   <tr> ');
  document.write('    <td align="center" >  ');
  document.write('     ( <a href="' + root_path + 'pov_index.html"  >mian - POV</a> ) ');
  document.write('    </td> ');
  document.write('   </tr> ');
  document.write(' </table> ');
 }