diff --git a/bookmarklet.js b/bookmarklet.js
index eafaeca..169072d 100644
--- a/bookmarklet.js
+++ b/bookmarklet.js
@@ -51,9 +51,13 @@
     // add overlay frame
     var appFrame = createOverlayFrame();
     $("body").append(appFrame);
+    
+    
     // add convinient fields
     appFrame.window = appFrame.contentWindow;
     appFrame.document = appFrame.window.document;
+    appFrame.document.open();
+    appFrame.document.close();
     global.appFrame = appFrame;
 
     // add print dialog content
@@ -66,6 +70,8 @@
     // add convinient fields
     printFrame.window = printFrame.contentWindow;
     printFrame.document = printFrame.window.document;
+    printFrame.document.open();
+    printFrame.document.close();
     global.printFrame = printFrame;
 
     // add listeners to redraw crads on print event