PodPress - Skripte nur laden wenn benötigt

/* stuff that goes in the HTML header */
	if ( TRUE == version_compare($wp_version, '2.7', '>=') ) {
		if (FALSE === is_admin()) {
			add_action('wp_print_scripts', 'podpress_print_frontend_js');
			add_action('wp_print_styles', 'podpress_print_frontend_css');
		}
		add_action('wp_head', 'podPress_print_feed_links_to_header');
	} else {
		add_action('wp_head', 'podPress_wp_head');
	}
	add_action('wp_footer', 'podPress_wp_footer');
	add_action('switch_theme', 'podPress_switch_theme');

function podpress_print_frontend_js() {
	wp_register_script( 'podpress_frontend_script',  PODPRESS_URL.'/js/podpress.js' );
	wp_enqueue_script( 'podpress_frontend_script' );
	
	// ntm: this way of loading a localized JS scripts is probably not very elegant but it works in WP version older than 2.3
	// I know that since WP 2.3 the function wp_localize_script() exists and when it is decided to raise the minimum WP requirement of this plugin then this method will be used.
	require_once(PODPRESS_DIR.'/podpress_js_i18n.php');
	podpress_print_localized_frontend_js_vars();
	
	podpress_print_js_vars();
}
// for WP 2.7+
function podpress_print_frontend_css() {
	if (file_exists(get_template_directory().'/podpress.css')) {
		wp_register_style( 'podpress_frontend_styles',  get_template_directory_uri().'/podpress.css' );
	} else {
		wp_register_style( 'podpress_frontend_styles',  PODPRESS_URL.'/podpress.css' );
	}
	wp_enqueue_style( 'podpress_frontend_styles' );
}
// for WP version < 2.7
function podPress_wp_head() {
	// frontend header
	echo '<script type="text/javascript" src="'.PODPRESS_URL.'/js/podpress.js"></script>'."\n";
	
	// ntm: this way of loading a localized Js scripts is probably not very elegant but it works in WP version older than 2.3
	// I know that since WP 2.3 the function wp_localize_script() exists and when it is decided to raise the minimum WP requirement of this plugin then this method will be used.
	require_once(PODPRESS_DIR.'/podpress_js_i18n.php');
	podpress_print_localized_frontend_js_vars();


	podpress_print_js_vars();
	if (file_exists(get_template_directory().'/podpress.css')) {
		echo '<link rel="stylesheet" href="'.get_template_directory_uri().'/podpress.css" type="text/css" />'."\n";
	} else {
		echo '<link rel="stylesheet" href="'.PODPRESS_URL.'/podpress.css" type="text/css" />'."\n";
	}
	
	podPress_print_feed_links_to_header();
}