Modified INTERNAL_ERROR to support inclusion of the blank layout, since all the javascript is lost otherwise. This should only matter for development. Also, fixed a bug with rendering when redirect is called but headers have already been output.

git-svn-id: file:///svn-source/pmgr/branches/yafr_20090716/site@560 97e9348a-65ac-dc4b-aefc-98561f571b83

app_controller.php

@@ -108,7 +108,7 @@ class AppController extends Controller {
       // the debug output.  So, since we can't redirect
       // anyway, we may as well go with the flow and just
       // render this page instead, using an empty template
-      $this->render('/empty');
+      echo $this->render('/empty');
       if ($exit)
 	$this->_stop();
     }
@@ -862,5 +862,15 @@ class AppController extends Controller {
       echo "  <cell><![CDATA[$data]]></cell>\n"; 
   }
 
+  function INTERNAL_ERROR($msg, $depth = 0) {
+    INTERNAL_ERROR($msg, false, $depth+1);
+    $this->render_empty();
+    $this->_stop();
+  }
+
+  function render_empty() {
+    $this->render('/empty');
+  }
+
 }
 ?>