diff --git a/config/config.ini b/config/config.ini
index b004b85..d374493 100644
--- a/config/config.ini
+++ b/config/config.ini
@@ -96,6 +96,11 @@ automaticRefresh = default
 ; use a condensed admin ui
 condensedAdminUI = default
 
+; allow "open" from downloads.  Changing this to "true" will prevent (most)
+; browsers from giving users the "open" option.
+; fakeMimetype = false
+fakeMimetype = default
+
 [i18n]
 ; Default language for the interface
 defaultLanguage = en
diff --git a/lib/storage/ondiskhashedstoragemanager.inc.php b/lib/storage/ondiskhashedstoragemanager.inc.php
index 3f7a176..bde1b2d 100644
--- a/lib/storage/ondiskhashedstoragemanager.inc.php
+++ b/lib/storage/ondiskhashedstoragemanager.inc.php
@@ -129,14 +129,21 @@ class KTOnDiskHashedStorageManager extends KTStorageManager {
         return;
     }
     
-    function download($oDocument) {
+    function download($oDocument, $bIsCheckout = false) {
         //get the path to the document on the server
         $oConfig =& KTConfig::getSingleton();
         $sPath = sprintf("%s/%s", $oConfig->get('urls/documentRoot'), $this->getPath($oDocument));
+        $mimetype = KTMime::getMimeTypeName($oDocument->getMimeTypeID());
+        
+        if ($bIsCheckout && $oConfig->get('ui/fakeMimetype' ,false)) {
+            $mimetype = 'application/x-download';
+            // note this does not work for "image" types in some browsers 
+            // go web.
+        }
+        
         if (file_exists($sPath)) {
             //set the correct headers
-            header("Content-Type: " .
-                    KTMime::getMimeTypeName($oDocument->getMimeTypeID()));
+            header("Content-Type: " . $mimetype);
             header("Content-Length: ". $oDocument->getFileSize());
             header("Content-Disposition: attachment; filename=\"" . $oDocument->getFileName() . "\"");
             header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
diff --git a/plugins/ktcore/KTDocumentActions.php b/plugins/ktcore/KTDocumentActions.php
index c0c3139..ee9545d 100644
--- a/plugins/ktcore/KTDocumentActions.php
+++ b/plugins/ktcore/KTDocumentActions.php
@@ -371,7 +371,7 @@ class KTDocumentCheckOutAction extends KTDocumentAction {
 
         
         $oStorage =& KTStorageManagerUtil::getSingleton();
-        $oStorage->download($this->oDocument);
+        $oStorage->download($this->oDocument, true);
         exit(0);
     }
 }