document.write('<table cellpadding=0 cellspacing=0 border=0>');
for (r = 0; r <= 5; r++) {
  document.write('<tr>');
  for (c = 0; c <= 5; c++) {
    document.write('<td align="center">');
    document.write('<a href="javascript:showimage('+((6*r)+c)+')" onClick="document.f.b.focus()">');
    document.write('<img src="mem/red.gif" name="img'+((6*r)+c)+'" border=0 width=80 height=80>');
    document.write('</a></td>');
  }
  document.write('</tr>');
}
document.write('</table>');