<form name="form1" method="post" action="">
  <input type="checkbox" id="show" name="show" value="Show">Show
  <input type="checkbox" id="no" name="no" value="no">Dont Show
</form>
    
<?php
if($show == "checked"){
    echo "<td align=\"left\">"."<FONT SIZE=1 face = arial><textarea cols=\"60\" rows=\"2\" name=\"Catatan\">$Catatan</textarea>\n";
    print "<input type=\"submit\"  name = \"butang\" value=\"Add\"></td>\n\n";
    echo "</tr>";
   echo "</table></form>"; 
   echo "</center>"; 
   }
 if($no == "checked"){
     echo "<td align=\"left\">"."<FONT SIZE=1 face = arial><textarea cols=\"60\" rows=\"2\" name=\"Catatan\" style=display:none>$Catatan</textarea>\n";
    print "<input type=\"submit\"  name = \"butang\" value=\"Add\"></td>\n\n";
    echo "</tr>";
   echo "</table></form>"; 
   echo "</center>"; 
   }
?>