diff --git a/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp b/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp
index 9205f6688f5..9d2249ed85c 100644
--- a/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp
+++ b/mozilla/xpfe/appshell/src/nsWebShellWindow.cpp
@@ -174,10 +174,12 @@ static NS_DEFINE_IID(kIUrlDispatcherIID,     NS_IURLDISPATCHER_IID);
 #ifdef DEBUG_rods
 #define DEBUG_MENUSDEL 1
 #endif
-
+#ifndef NECKO
 static NS_DEFINE_IID(kINetSupportIID, NS_INETSUPPORT_IID);
 #include "nsINetSupportDialogService.h"
 static NS_DEFINE_CID(kNetSupportDialogCID, NS_NETSUPPORTDIALOG_CID);
+#endif
+
 #include "nsIWebShell.h"
 
 const char * kThrobberOnStr  = "resource:/res/throbber/anims07.gif";
@@ -2850,6 +2852,8 @@ nsWebShellWindow::IsIntrinsicallySized(PRBool& aResult)
 
 
 // nsINetSupport
+#ifdef NECKO
+#else
 void nsWebShellWindow::Alert(const nsString &aText)
 {
 	nsresult rv;
@@ -2912,3 +2916,4 @@ PRBool nsWebShellWindow::PromptPassword(const nsString &aText,
 	}
 	 return result ? PR_TRUE : PR_FALSE;
  }
+#endif 
\ No newline at end of file
diff --git a/mozilla/xpfe/appshell/src/nsWebShellWindow.h b/mozilla/xpfe/appshell/src/nsWebShellWindow.h
index 086b8cc8733..8f745e2ca41 100644
--- a/mozilla/xpfe/appshell/src/nsWebShellWindow.h
+++ b/mozilla/xpfe/appshell/src/nsWebShellWindow.h
@@ -30,7 +30,9 @@
 #include "nsVoidArray.h"
 #include "nsIMenu.h"
 #include "nsIUrlDispatcher.h"
+#ifndef NECKO
 #include "nsINetSupport.h"
+#endif
 // can't use forward class decl's because of template bugs on Solaris 
 #include "nsIDOMDocument.h"
 #include "nsIDOMNode.h"
@@ -59,8 +61,11 @@ class nsWebShellWindow : public nsIWebShellWindow,
                          public nsIBrowserWindow,
                          public nsIDocumentLoaderObserver,
                          public nsIDocumentObserver,
-						 public nsIUrlDispatcher,
-						  public nsINetSupport
+						 public nsIUrlDispatcher
+					#ifdef NECKO
+					#else
+						, public nsINetSupport
+					#endif
 {
 public:
   nsWebShellWindow();
@@ -250,6 +255,8 @@ public:
 
   NS_DECL_IURLDISPATCHER
   // nsINetSupport
+ #if NECKO
+ #else
   NS_IMETHOD_(void) Alert(const nsString &aText);  
   NS_IMETHOD_(PRBool) Confirm(const nsString &aText);
   NS_IMETHOD_(PRBool) Prompt(const nsString &aText,
@@ -259,7 +266,8 @@ public:
                                             nsString &aUser,
                                             nsString &aPassword);
   NS_IMETHOD_(PRBool) PromptPassword(const nsString &aText,
-                                     nsString &aPassword); 
+                                     nsString &aPassword);
+ #endif
 protected:
   void ExecuteJavaScriptString(nsString& aJavaScript);