Index: wp-content/themes/twentyeleven/header.php
===================================================================
--- wp-content/themes/twentyeleven/header.php	(revision 18488)
+++ wp-content/themes/twentyeleven/header.php	(working copy)
@@ -49,7 +49,7 @@
 <link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'stylesheet_url' ); ?>" />
 <link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
 <!--[if lt IE 9]>
-<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js" type="text/javascript"></script>
+<script src="<?php echo locate_theme_file( 'js/html5.js' ); ?>" type="text/javascript"></script>
 <![endif]-->
 <?php
 	/* We add some JavaScript to pages with the comment form
Index: wp-content/themes/twentyeleven/inc/theme-options.php
===================================================================
--- wp-content/themes/twentyeleven/inc/theme-options.php	(revision 18488)
+++ wp-content/themes/twentyeleven/inc/theme-options.php	(working copy)
@@ -346,7 +346,7 @@
 	$color_scheme = $options['color_scheme'];
 
 	if ( 'dark' == $color_scheme )
-		wp_enqueue_style( 'dark', get_template_directory_uri() . '/colors/dark.css', array(), null );
+		wp_enqueue_style( 'dark', locate_theme_file( 'colors/dark.css' ), array(), null );
 
 	do_action( 'twentyeleven_enqueue_color_scheme', $color_scheme );
 }
Index: wp-content/themes/twentyeleven/showcase.php
===================================================================
--- wp-content/themes/twentyeleven/showcase.php	(revision 18488)
+++ wp-content/themes/twentyeleven/showcase.php	(working copy)
@@ -15,7 +15,7 @@
  */
 
 // Enqueue showcase script for the slider
-wp_enqueue_script( 'twentyeleven-showcase', get_template_directory_uri() . '/js/showcase.js', array( 'jquery' ), '2011-04-28' );
+wp_enqueue_script( 'twentyeleven-showcase', locate_theme_file( 'js/showcase.js' ), array( 'jquery' ), '2011-04-28' );
 
 get_header(); ?>