File alphabet.inc:
<?
echo "<table>\n";
echo "<tr>\n";
echo "<td><a href=\"$page?char=A\">A</a></td>\n";
echo "<td><a href=\"$page?char=B\">B</a></td>\n";
echo "<td><a href=\"$page?char=C\">C</a></td>\n";
echo "<td><a href=\"$page?char=D\">D</a></td>\n";
echo "<td><a href=\"$page?char=E\">E</a></td>\n";
echo "<td><a href=\"$page?char=F\">F</a></td>\n";
echo "<td><a href=\"$page?char=G\">G</a></td>\n";
echo "<td><a href=\"$page?char=H\">H</a></td>\n";
echo "<td><a href=\"$page?char=I\">I</a></td>\n";
echo "<td><a href=\"$page?char=J\">J</a></td>\n";
echo "<td><a href=\"$page?char=K\">K</a></td>\n";
echo "<td><a href=\"$page?char=L\">L</a></td>\n";
echo "<td><a href=\"$page?char=M\">M</a></td>\n";
echo "</tr>\n";
echo "<tr>\n";
echo "<td><a href=\"$page?char=N\">N</a></td>\n";
echo "<td><a href=\"$page?char=O\">O</a></td>\n";
echo "<td><a href=\"$page?char=P\">P</a></td>\n";
echo "<td><a href=\"$page?char=Q\">Q</a></td>\n";
echo "<td><a href=\"$page?char=R\">R</a></td>\n";
echo "<td><a href=\"$page?char=S\">S</a></td>\n";
echo "<td><a href=\"$page?char=T\">T</a></td>\n";
echo "<td><a href=\"$page?char=U\">U</a></td>\n";
echo "<td><a href=\"$page?char=V\">V</a></td>\n";
echo "<td><a href=\"$page?char=W\">W</a></td>\n";
echo "<td><a href=\"$page?char=X\">X</a></td>\n";
echo "<td><a href=\"$page?char=Y\">Y</a></td>\n";
echo "<td><a href=\"$page?char=Z\">Z</a></td>\n";
echo "</tr>\n";
echo "</table>\n";
?>
Your current script :
current_script.php
<?
$page="current_script.php";
(.....)
include("alphabet.inc");
$res = "select * from tablename where data like '$char%'";
(...)
?>
This way, you can use your alphabet.inc anywhere you need it; you just have to get the name of the current script in the file itself (I did this here by simply defning it in the variable $page - I guess there are more sophisticated, universally usable ways to do this)
Hope this helps
JJ Mouris