To override the default jQuery version called by WordPress from 1.3.2 to 1.4.2:

In your theme’s function.php file, Paste this code:

if( !is_admin()){
   wp_deregister_script('jquery');
   wp_register_script('jquery', ("http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"), false, '1.4.2');
   wp_enqueue_script('jquery');
}

Wherever you see ’1.4.2′, you can replace that with whatever wordpress version you are using.

This has been tested in WordPress 2.9.2

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Here’s a snippet that will give you an instant sidebar navigation in WordPress. It grabs the post parent title and the children of that parent.

Download wordpress-sidebar-nav.txt

< ?php
$parent_title = get_the_title($post->post_parent);
$permalink = get_permalink($post->post_parent);
if($post->post_parent) {
$children = wp_list_pages('title_li=&child_of='.$post->post_parent.'&echo=0');
}
else {
$children = wp_list_pages('title_li=&child_of='.$post->ID.'&echo=0');
}
?>

< ?php if ($children): ?>

< ?php echo $parent_title; ?>
< ?php echo $children; ?>


< ?php endif; ?>

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