Index: source/ui/inc/formula.hxx
===================================================================
RCS file: /cvs/sc/sc/source/ui/inc/formula.hxx,v
retrieving revision 1.5
diff -u -r1.5 formula.hxx
--- openoffice.org.orig/sc/source/ui/inc/formula.hxx	10 Apr 2008 22:56:36 -0000	1.5
+++ openoffice.org/sc/source/ui/inc/formula.hxx	4 Nov 2008 15:27:26 -0000
@@ -195,7 +195,7 @@
 	void			UpdateFunctionDesc();
 	void			ResizeArgArr( const ScFuncDesc* pNewFunc );
 	void			FillListboxes();
-	void			FillControls();
+	void			FillControls(BOOL &rbNext, BOOL &rbPrev);
 
 	xub_StrLen		GetFunctionPos(xub_StrLen nPos);
 	void			UpdateTokenArray( const String& rStrExp);
Index: source/ui/formdlg/formula.cxx
===================================================================
RCS file: /cvs/sc/sc/source/ui/formdlg/formula.cxx,v
retrieving revision 1.19
diff -u -r1.19 formula.cxx
--- openoffice.org/sc/source/ui/formdlg/formula.cxx	14 May 2008 09:58:05 -0000	1.19
+++ openoffice.org/sc/source/ui/formdlg/formula.cxx	4 Nov 2008 15:27:26 -0000
@@ -439,8 +439,14 @@
 
 void ScFormulaDlg::FillDialog(BOOL nFlag)
 {
-	if(nFlag) FillControls();
+    BOOL bNext=TRUE, bPrev=TRUE;
+	if(nFlag) FillControls(bNext, bPrev);
 	FillListboxes();
+	if(nFlag)
+    {
+	    aBtnBackward.Enable(bPrev);
+	    aBtnForward.Enable(bNext);
+    }
 
 	String aStrResult;
 
@@ -498,7 +504,7 @@
 	SetUniqueId( nOldUnique );
 
 }
-void ScFormulaDlg::FillControls()
+void ScFormulaDlg::FillControls(BOOL &rbNext, BOOL &rbPrev)
 {
 	//	Umschalten zwischen den "Seiten"
 
@@ -593,12 +599,10 @@
 		//	Test, ob vorne/hinten noch mehr Funktionen sind
 
 	xub_StrLen nTempStart = ScFormulaUtil::GetArgStart( aFormula, nFStart, 0 );
-	BOOL bNext = ScFormulaUtil::GetNextFunc( aFormula, FALSE, nTempStart );
+	rbNext = ScFormulaUtil::GetNextFunc( aFormula, FALSE, nTempStart );
 	nTempStart=(xub_StrLen)pMEdit->GetSelection().Min();
 	pData->SetFStart(nTempStart);
-	BOOL bPrev = ScFormulaUtil::GetNextFunc( aFormula, TRUE, nTempStart );
-	aBtnBackward.Enable(bPrev);
-	aBtnForward.Enable(bNext);
+	rbPrev = ScFormulaUtil::GetNextFunc( aFormula, TRUE, nTempStart );
 }
 
 void ScFormulaDlg::ClearAllParas()