<form method="post" action="req.php">
<input type="hidden" name="num" value="0" />
<textarea name="text" class="note" ></textarea><br />
<input type="submit" class="submit" value="1234" />
</form>
<form method="post" action="req.php">
<input type="hidden" name="num" value="1" />
<textarea name="text" class="note" ></textarea><br />
<input type="submit" class="submit" value="1234" />
</form>
<form method="post" action="req.php">
<input type="hidden" name="num" value="2" />
<textarea name="text" class="note" ></textarea><br />
<input type="submit" class="submit" value="1234" />
</form>
<form method="post" action="req.php">
<input type="hidden" name="num" value="3" />
<textarea name="text" class="note" ></textarea><br />
<input type="submit" class="submit" value="1234" />
</form>
<form method="post" action="req.php">
<input type="hidden" name="num" value="4" />
<textarea name="text" class="note" ></textarea><br />
<input type="submit" class="submit" value="1234" />
</form>