Load jQuery in the footer of Wordpress.

jquery-wp-footer.php

// Load jQuery in the footer of Wordpress. Code goes in functions.php file.
// Original article is http://www.ericmmartin.com/5-tips-for-using-jquery-with-wordpress/
function my_init() {
	if (!is_admin()) {
		wp_deregister_script('jquery');

		// load the local copy of jQuery in the footer
		wp_register_script('jquery', '/wp-includes/js/jquery/jquery.js', false, '1.3.2', true);

		// or load the Google API copy in the footer
		//wp_register_script('jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js', false, '1.3.2', true);

		wp_enqueue_script('jquery');
	}
}
add_action('init', 'my_init');