בעיה בJS כפתור ביטול לא נלחץ

[DCB]

<form action="somepage.php" method="post">
	<div align="center" id="confirm_form">
		<input type="hidden" value="100" name="id" />
		Are you sure you want to remove?<br />
		After removing thius content page you wont be able to restore it!<br /><br />
		<input type="submit" value="Yes" class="button" /> &nbsp; &nbsp;
		<input type="button" value="No" onclick="window.location.href=delete.php" class="button" />
	</div>
</form>

Here's the hole section...
maybe i'm missing something