deregister wordpress script (jQurey)

	// Register our Scripts
	function register_js() {
		if (!is_admin()) {
			wp_deregister_script('jquery');
			wp_register_script('jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js');
			wp_enqueue_script('jquery');
		}
	}
add_action('init', 'register_js');