I try to adjust my instructor's code...
Here is his code:
<?php
if(empty($link)) print "<BR>";
$LinkText = array("A", "B", "C", "D", "E",
"F", "G", "H", "I", "J",
"K", "L", "M", "N", "O",
"P", "Q", "R", "S", "T",
"U", "V", "W", "X", "Y",
"Z");
for($i=0; $i<count($LinkText); $i++)
{
if($link==$LinkText[$i]) print "<a href='Exercise2AJ.php3?link=$LinkText[$i]&SLink=$link'><font size=7>$LinkText[$i]</font></a>";
else
if($SLink==$LinkText[$i]) print "<a href='Exercise2AJ.php3?link=$LinkText[$i]&SLink=$link'><font size=5>$LinkText[$i]</font></a>";
else print "<a href='Exercise2AJ.php3?link=$LinkText[$i]&SLink=$link'>$LinkText[$i]</a>";
print " ";
}
?>