diff --git a/Common/DocumentHelper.cpp b/Common/DocumentHelper.cpp
new file mode 100644
index 0000000..c006d65
--- /dev/null
+++ b/Common/DocumentHelper.cpp
@@ -0,0 +1,40 @@
+// DocumentHelper.cpp : implementation of the CDocumentHelper class
+//
+
+#include "stdafx.h"
+#include "DocumentHelper.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#undef THIS_FILE
+static char THIS_FILE[] = __FILE__;
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// CDocumentHelper
+
+IMPLEMENT_DYNCREATE(CDocumentHelper, CDocument)
+
+BEGIN_MESSAGE_MAP(CDocumentHelper, CDocument)
+	//{{AFX_MSG_MAP(CDocumentHelper)
+		// NOTE - the ClassWizard will add and remove mapping macros here.
+		//    DO NOT EDIT what you see in these blocks of generated code!
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+/////////////////////////////////////////////////////////////////////////////
+// CDocumentHelper construction/destruction
+
+CDocumentHelper::CDocumentHelper()
+{
+	// TODO: add one-time construction code here
+
+}
+
+CDocumentHelper::~CDocumentHelper()
+{
+}
+
+
+/////////////////////////////////////////////////////////////////////////////
+// CDocumentHelper commands