[Plugin: SimpleModal Login] how to register and redirect ?

register but not redirect!!
how to correct register and redirect ?
(sorry my english!)

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simplemodal-login.php: (original)

function simplemodal_login_footer() {

			printf('<div id="simplemodal-login-form" style="display:none;">
	%s
	<form name="loginform" id="loginform" action="%s" method="post">
		<p>
			<label>CHECK1%s<br />
			<input type="text" name="log" id="user_login" class="input" value="" size="20" tabindex="10" /></label>
		</p>
		<p>
			<label>%s<br />
			<input type="password" name="pwd" id="user_pass" class="input" value="" size="20" tabindex="20" /></label>
		</p>', $this->options['theme'] === 'osx' ? '<div class="osx-title">Login</div>' : '', site_url('wp-login.php', 'login_post'), __('Username', $this->localizationDomain), __('Password', $this->localizationDomain));

		do_action('login_form');

		printf('

		<p>
		Registrar
		</p>
		<br />

		<p class="forgetmenot"><label><input name="rememberme" type="checkbox" id="rememberme" value="forever" tabindex="90" /> %s</label></p>
		<p class="submit">
			<input type="submit" name="wp-submit" id="wp-submit" value="%s" tabindex="100" />
			<input type="button" class="simplemodal-close" value="%s" tabindex="101" />
			<input type="hidden" id="redirect_to" name="redirect_to" value="%s" />
			<input type="hidden" name="testcookie" value="1" />
		</p>

	</form>

	<div class="simplemodal-login-credit"><a href="http://www.ericmmartin.com/projects/simplemodal-login/">%s</a></div>
</div>', __('Remember Me', $this->localizationDomain), __('Log In', $this->localizationDomain), __('Cancel', $this->localizationDomain), $this->options['admin'] === true ? admin_url() : '', __('Powered by', $this->localizationDomain) . " SimpleModal Login");

		}

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simplemodal-login.php: (my code)

function simplemodal_login_footer() {

			printf('<div id="simplemodal-login-form" style="display:none;">
	%s
	<form name="registerform" id="registerform" action="%s" method="post">
		<p>
			<label>CHECK1%s<br />
			<input type="text" name="user_login" id="user_login" class="input" value="" size="20" tabindex="10" /></label>
		</p>
		<p>
			<label>%s<br />
			<input type="text" name="user_email" id="user_email" class="input" value="" size="20" tabindex="20" /></label>
		</p>',
		'',
		site_url('wp-login.php?action=register', 'login_post'),
		__('Username', $this->localizationDomain),
		__('E-mail', $this->localizationDomain));

		do_action('register_form');

		printf('

		<p>
		Registrar
		</p>
		<br />

		<p class="forgetmenot"><label><input name="rememberme" type="checkbox" id="rememberme" value="forever" tabindex="90" /> %s</label></p>
		<p class="submit">
			<input type="submit" name="wp-submit" id="wp-submit" value="%s" tabindex="100" />
			<input type="button" class="simplemodal-close" value="%s" tabindex="101" />
			<input type="hidden" id="redirect_to" name="redirect_to" value="%s" />
			<input type="hidden" name="testcookie" value="1" />
		</p>

	</form>

	<div class="simplemodal-login-credit"><a href="http://www.ericmmartin.com/projects/simplemodal-login/">%s</a></div>
</div>',
__('Remember Me', $this->localizationDomain),
__('Register', $this->localizationDomain),
__('Cancel', $this->localizationDomain),
$this->options['admin'] === true ? admin_url() : '',
__('Powered by', $this->localizationDomain) . " SimpleModal Login");

}

http://wordpress.org/extend/plugins/simplemodal-login/