--- library/Zend/Gdata/Docs.php	(revision 16177)
+++ library/Zend/Gdata/Docs.php	(working copy)
@@ -36,6 +36,12 @@
 require_once 'Zend/Gdata/Docs/DocumentListEntry.php';
 
 /**
+ * App Extensions
+ */
+require_once 'Zend/Gdata/App/Extension/Category.php';
+require_once 'Zend/Gdata/App/Extension/Title.php';
+
+/**
  * Service class for interacting with the Google Document List data API
  * @link http://code.google.com/apis/documents/
  *
@@ -49,6 +55,9 @@
 {
 
     const DOCUMENTS_LIST_FEED_URI = 'http://docs.google.com/feeds/documents/private/full';
+    const DOCUMENTS_FOLDER_FEED_URI = 'http://docs.google.com/feeds/folders/private/full/folder';
+    const DOCUMENTS_CATEGORY_SCHEMA = 'http://schemas.google.com/g/2005#kind';
+    const DOCUMENTS_CATEGORY_TERM = 'http://schemas.google.com/docs/2007#folder';
     const AUTH_SERVICE_NAME = 'writely';
 
     protected $_defaultPostUri = self::DOCUMENTS_LIST_FEED_URI;
@@ -221,8 +230,7 @@
 
         // Set the mime type of the data.
         if ($mimeType === null) {
-          $slugHeader =  $fs->getSlug();
-          $filenameParts = explode('.', $slugHeader);
+          $filenameParts = explode('.', $fileLocation);
           $fileExtension = end($filenameParts);
           $mimeType = self::lookupMimeType($fileExtension);
         }
@@ -235,6 +243,24 @@
     }
 
     /**
+     * Creates a new folder in Google Docs
+     *
+     * @param string $folderName The folder name to create
+     *
+     * @return boolean
+     */
+    public function createFolder($folderName) {
+        $category = new Zend_Gdata_App_Extension_Category(self::DOCUMENTS_CATEGORY_TERM, self::DOCUMENTS_CATEGORY_SCHEMA);
+        $title = new Zend_Gdata_App_Extension_Title($folderName);
+        $entry = new Zend_Gdata_Entry();
+
+        $entry->setCategory(array($category));
+        $entry->setTitle($title);
+
+        return $this->insertEntry($entry, self::DOCUMENTS_LIST_FEED_URI);
+    }
+
+    /**
      * Inserts an entry to a given URI and returns the response as an Entry.
      *
      * @param mixed  $data The Zend_Gdata_Docs_DocumentListEntry or media