get sidebar doest work

Hi,

I use a theme, and in widget setting, i drag some pages in sidebar. In my own page, I want to load the theme. So I use:

<? require('./wp-blog-header.php'); ?>
<?php get_header(); global $wp_theme_options; ?>
<div id="container" class="clearfix">
<div id="content">
<div class="entry">
my text
</div>
</div><!--end content div-->
<?php get_sidebar(); ?>
<?php get_footer(); ?>

The get header works well, but get sidebar and get footer dont work
Any help would be appreciated.
Thanks