diff --git a/pcb_calculator/attenuators.cpp b/pcb_calculator/attenuators.cpp
index eb17803c35..4c0280e778 100644
--- a/pcb_calculator/attenuators.cpp
+++ b/pcb_calculator/attenuators.cpp
@@ -5,8 +5,8 @@
 /*
  * This program source code file is part of KICAD, a free EDA CAD application.
  *
- * Copyright (C) 2011 jean-pierre.charras
- * Copyright (C) 2011 Kicad Developers, see change_log.txt for contributors.
+ * Copyright (C) 2015 jean-pierre.charras
+ * Copyright (C) 2015 Kicad Developers, see change_log.txt for contributors.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -46,7 +46,7 @@ void PCB_CALCULATOR_FRAME::SetAttenuator( unsigned aIdx )
         aIdx = m_attenuator_list.size() - 1;
     m_currAttenuator = m_attenuator_list[aIdx];
     TransfAttenuatorDataToPanel();
-    m_Attenuator_Messages->Clear();
+    m_Attenuator_Messages->SetPage( wxEmptyString );
     m_Att_R1_Value->SetValue( wxEmptyString );
     m_Att_R2_Value->SetValue( wxEmptyString );
     m_Att_R3_Value->SetValue( wxEmptyString );
@@ -100,13 +100,17 @@ void PCB_CALCULATOR_FRAME::TransfAttenuatorResultsToPanel()
 {
     wxString msg;
 
-    m_Attenuator_Messages->Clear();
+    m_Attenuator_Messages->SetPage( wxEmptyString );
 
     if( m_currAttenuator->m_Error )
     {
-        msg.Printf( _( "Error!\nSet attenuation more than %f dB" ),
+        msg.Printf( _( "Attenuation more than %f dB" ),
                     m_currAttenuator->m_MinimumATT );
-        m_Attenuator_Messages->AppendText( msg );
+        m_Attenuator_Messages->AppendToPage( wxT( "<br><b>Error!</b></br><br><em>" ) );
+        m_Attenuator_Messages->AppendToPage( msg );
+        m_Attenuator_Messages->AppendToPage( wxT( "</em></br>" ) );
+
+        // Display -- as resistor values:
         msg = wxT( "--" );
         m_Att_R1_Value->SetValue( msg );
         m_Att_R2_Value->SetValue( msg );
diff --git a/pcb_calculator/dialogs/pcb_calculator_frame_base.cpp b/pcb_calculator/dialogs/pcb_calculator_frame_base.cpp
index d278530daf..e08d290d81 100644
--- a/pcb_calculator/dialogs/pcb_calculator_frame_base.cpp
+++ b/pcb_calculator/dialogs/pcb_calculator_frame_base.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Mar  9 2015)
+// C++ code generated with wxFormBuilder (version Jun  5 2014)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO "NOT" EDIT THIS FILE!
@@ -247,7 +247,7 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	m_panelRegulators->SetSizer( bSizerMainReg );
 	m_panelRegulators->Layout();
 	bSizerMainReg->Fit( m_panelRegulators );
-	m_Notebook->AddPage( m_panelRegulators, _("Regulators"), false );
+	m_Notebook->AddPage( m_panelRegulators, _("Regulators"), true );
 	m_panelTrackWidth = new wxPanel( m_Notebook, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
 	wxBoxSizer* bSizerTrackWidth;
 	bSizerTrackWidth = new wxBoxSizer( wxHORIZONTAL );
@@ -734,7 +734,7 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	fgSizerSubstPrms->Add( m_SubsPrm9_choiceUnit, 0, wxRIGHT|wxLEFT|wxEXPAND, 5 );
 	
 	
-	sbSubstrateBoxSizer->Add( fgSizerSubstPrms, 1, wxEXPAND, 5 );
+	sbSubstrateBoxSizer->Add( fgSizerSubstPrms, 1, wxEXPAND|wxTOP|wxBOTTOM, 5 );
 	
 	
 	bMiddleSizer->Add( sbSubstrateBoxSizer, 0, wxEXPAND|wxBOTTOM, 5 );
@@ -762,7 +762,7 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	fgSizeCmpPrms->Add( m_choiceUnit_Frequency, 0, wxRIGHT|wxLEFT|wxEXPAND, 5 );
 	
 	
-	sbCmpPrmsSizer->Add( fgSizeCmpPrms, 0, wxEXPAND, 5 );
+	sbCmpPrmsSizer->Add( fgSizeCmpPrms, 0, wxEXPAND|wxTOP|wxBOTTOM, 5 );
 	
 	
 	bMiddleSizer->Add( sbCmpPrmsSizer, 0, wxEXPAND|wxTOP, 5 );
@@ -834,7 +834,7 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	fgSizerPhysPrms->Add( 0, 0, 0, 0, 5 );
 	
 	
-	sbRightBoxizer->Add( fgSizerPhysPrms, 0, wxEXPAND, 5 );
+	sbRightBoxizer->Add( fgSizerPhysPrms, 0, wxEXPAND|wxTOP|wxBOTTOM, 5 );
 	
 	
 	btranslineRightSizer->Add( sbRightBoxizer, 0, wxBOTTOM|wxEXPAND, 5 );
@@ -915,10 +915,10 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	fgSizerResults->Add( m_choiceUnit_ElecPrm3, 0, wxRIGHT|wxLEFT|wxALIGN_CENTER_VERTICAL, 5 );
 	
 	
-	sbElectricalResultsSizer->Add( fgSizerResults, 0, wxEXPAND, 5 );
+	sbElectricalResultsSizer->Add( fgSizerResults, 0, wxEXPAND|wxTOP|wxBOTTOM, 5 );
 	
 	
-	bRightSizer->Add( sbElectricalResultsSizer, 0, wxEXPAND, 5 );
+	bRightSizer->Add( sbElectricalResultsSizer, 0, wxEXPAND|wxTOP|wxBOTTOM, 5 );
 	
 	wxStaticBoxSizer* sbMessagesSizer;
 	sbMessagesSizer = new wxStaticBoxSizer( new wxStaticBox( m_panelTransline, wxID_ANY, _("Results:") ), wxVERTICAL );
@@ -998,7 +998,7 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	m_panelTransline->SetSizer( bSizeTransline );
 	m_panelTransline->Layout();
 	bSizeTransline->Fit( m_panelTransline );
-	m_Notebook->AddPage( m_panelTransline, _("TransLine"), true );
+	m_Notebook->AddPage( m_panelTransline, _("TransLine"), false );
 	m_panelAttenuators = new wxPanel( m_Notebook, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
 	wxStaticBoxSizer* sbSizerAtt;
 	sbSizerAtt = new wxStaticBoxSizer( new wxStaticBox( m_panelAttenuators, wxID_ANY, _("label") ), wxHORIZONTAL );
@@ -1070,13 +1070,13 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	sbSizerAttPrms->Add( fgSizerAttPrms, 0, wxEXPAND, 5 );
 	
 	
-	bMiddleSizerAtt->Add( sbSizerAttPrms, 0, wxEXPAND, 5 );
+	bMiddleSizerAtt->Add( sbSizerAttPrms, 0, wxEXPAND|wxTOP|wxBOTTOM|wxRIGHT, 5 );
 	
 	wxBoxSizer* bSizerAttButt;
 	bSizerAttButt = new wxBoxSizer( wxHORIZONTAL );
 	
 	m_buttonAlcAtt = new wxButton( m_panelAttenuators, wxID_ANY, _("Calculate"), wxDefaultPosition, wxDefaultSize, 0 );
-	bSizerAttButt->Add( m_buttonAlcAtt, 0, wxALL, 5 );
+	bSizerAttButt->Add( m_buttonAlcAtt, 0, wxALL|wxALIGN_CENTER_VERTICAL, 5 );
 	
 	m_bitmapAnalyse1 = new wxStaticBitmap( m_panelAttenuators, wxID_ANY, wxBitmap( arrow_bottom_xpm ), wxDefaultPosition, wxDefaultSize, 0 );
 	bSizerAttButt->Add( m_bitmapAnalyse1, 0, wxRIGHT|wxLEFT|wxALIGN_CENTER_VERTICAL, 5 );
@@ -1130,17 +1130,17 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	fgSizerAttResults->Add( m_attR3Unit, 0, wxRIGHT|wxLEFT|wxALIGN_CENTER_VERTICAL, 5 );
 	
 	
-	sbSizerAttValues->Add( fgSizerAttResults, 0, wxEXPAND, 5 );
+	sbSizerAttValues->Add( fgSizerAttResults, 0, wxEXPAND|wxTOP|wxBOTTOM, 5 );
 	
 	
-	bMiddleSizerAtt->Add( sbSizerAttValues, 0, wxEXPAND, 5 );
+	bMiddleSizerAtt->Add( sbSizerAttValues, 0, wxEXPAND|wxTOP, 5 );
 	
 	m_staticTextAttMsg = new wxStaticText( m_panelAttenuators, wxID_ANY, _("Messages:"), wxDefaultPosition, wxDefaultSize, 0 );
 	m_staticTextAttMsg->Wrap( -1 );
 	bMiddleSizerAtt->Add( m_staticTextAttMsg, 0, wxTOP|wxRIGHT|wxLEFT, 5 );
 	
-	m_Attenuator_Messages = new wxTextCtrl( m_panelAttenuators, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE|wxTE_READONLY );
-	bMiddleSizerAtt->Add( m_Attenuator_Messages, 1, wxEXPAND|wxBOTTOM|wxRIGHT|wxLEFT, 5 );
+	m_Attenuator_Messages = new wxHtmlWindow( m_panelAttenuators, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxHW_NO_SELECTION|wxHW_SCROLLBAR_AUTO|wxSUNKEN_BORDER );
+	bMiddleSizerAtt->Add( m_Attenuator_Messages, 1, wxALL|wxEXPAND, 5 );
 	
 	
 	sbSizerAtt->Add( bMiddleSizerAtt, 0, wxEXPAND, 5 );
@@ -1154,7 +1154,7 @@ PCB_CALCULATOR_FRAME_BASE::PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindow
 	sbRightSizerFormula->Add( m_panelAttFormula, 1, wxALL|wxEXPAND, 5 );
 	
 	
-	sbSizerAtt->Add( sbRightSizerFormula, 1, wxEXPAND, 5 );
+	sbSizerAtt->Add( sbRightSizerFormula, 1, wxEXPAND|wxTOP|wxBOTTOM, 5 );
 	
 	
 	m_panelAttenuators->SetSizer( sbSizerAtt );
diff --git a/pcb_calculator/dialogs/pcb_calculator_frame_base.fbp b/pcb_calculator/dialogs/pcb_calculator_frame_base.fbp
index a19832957a..39d0e425c7 100644
--- a/pcb_calculator/dialogs/pcb_calculator_frame_base.fbp
+++ b/pcb_calculator/dialogs/pcb_calculator_frame_base.fbp
@@ -44,7 +44,7 @@
             <property name="minimum_size"></property>
             <property name="name">PCB_CALCULATOR_FRAME_BASE</property>
             <property name="pos"></property>
-            <property name="size">702,489</property>
+            <property name="size">753,485</property>
             <property name="style">wxDEFAULT_FRAME_STYLE|wxRESIZE_BORDER</property>
             <property name="subclass">KIWAY_PLAYER; kiway_player.h</property>
             <property name="title">PCB Calculator</property>
@@ -270,7 +270,7 @@
                         <object class="notebookpage" expanded="1">
                             <property name="bitmap"></property>
                             <property name="label">Regulators</property>
-                            <property name="select">0</property>
+                            <property name="select">1</property>
                             <object class="wxPanel" expanded="1">
                                 <property name="BottomDockable">1</property>
                                 <property name="LeftDockable">1</property>
@@ -3342,16 +3342,16 @@
                                 <event name="OnSetFocus"></event>
                                 <event name="OnSize"></event>
                                 <event name="OnUpdateUI"></event>
-                                <object class="wxBoxSizer" expanded="0">
+                                <object class="wxBoxSizer" expanded="1">
                                     <property name="minimum_size"></property>
                                     <property name="name">bSizerTrackWidth</property>
                                     <property name="orient">wxHORIZONTAL</property>
                                     <property name="permission">none</property>
-                                    <object class="sizeritem" expanded="0">
+                                    <object class="sizeritem" expanded="1">
                                         <property name="border">5</property>
                                         <property name="flag">wxALL|wxEXPAND</property>
                                         <property name="proportion">1</property>
-                                        <object class="wxStaticBoxSizer" expanded="0">
+                                        <object class="wxStaticBoxSizer" expanded="1">
                                             <property name="id">wxID_ANY</property>
                                             <property name="label">Parameters:</property>
                                             <property name="minimum_size"></property>
@@ -3442,11 +3442,11 @@
                                                     <event name="OnUpdateUI"></event>
                                                 </object>
                                             </object>
-                                            <object class="sizeritem" expanded="0">
+                                            <object class="sizeritem" expanded="1">
                                                 <property name="border">5</property>
                                                 <property name="flag">wxEXPAND</property>
                                                 <property name="proportion">0</property>
-                                                <object class="wxFlexGridSizer" expanded="0">
+                                                <object class="wxFlexGridSizer" expanded="1">
                                                     <property name="cols">3</property>
                                                     <property name="flexible_direction">wxBOTH</property>
                                                     <property name="growablecols">1</property>
@@ -8181,7 +8181,7 @@
                         <object class="notebookpage" expanded="1">
                             <property name="bitmap"></property>
                             <property name="label">TransLine</property>
-                            <property name="select">1</property>
+                            <property name="select">0</property>
                             <object class="wxPanel" expanded="1">
                                 <property name="BottomDockable">1</property>
                                 <property name="LeftDockable">1</property>
@@ -8256,7 +8256,7 @@
                                 <event name="OnSetFocus"></event>
                                 <event name="OnSize"></event>
                                 <event name="OnUpdateUI"></event>
-                                <object class="wxBoxSizer" expanded="0">
+                                <object class="wxBoxSizer" expanded="1">
                                     <property name="minimum_size"></property>
                                     <property name="name">bSizeTransline</property>
                                     <property name="orient">wxHORIZONTAL</property>
@@ -8546,7 +8546,7 @@
                                                     <event name="OnUpdateUI"></event>
                                                     <object class="sizeritem" expanded="0">
                                                         <property name="border">5</property>
-                                                        <property name="flag">wxEXPAND</property>
+                                                        <property name="flag">wxEXPAND|wxTOP|wxBOTTOM</property>
                                                         <property name="proportion">1</property>
                                                         <object class="wxFlexGridSizer" expanded="0">
                                                             <property name="cols">3</property>
@@ -10936,7 +10936,7 @@
                                                     <event name="OnUpdateUI"></event>
                                                     <object class="sizeritem" expanded="0">
                                                         <property name="border">5</property>
-                                                        <property name="flag">wxEXPAND</property>
+                                                        <property name="flag">wxEXPAND|wxTOP|wxBOTTOM</property>
                                                         <property name="proportion">0</property>
                                                         <object class="wxFlexGridSizer" expanded="0">
                                                             <property name="cols">3</property>
@@ -11218,11 +11218,11 @@
                                             </object>
                                         </object>
                                     </object>
-                                    <object class="sizeritem" expanded="0">
+                                    <object class="sizeritem" expanded="1">
                                         <property name="border">5</property>
                                         <property name="flag">wxEXPAND</property>
                                         <property name="proportion">1</property>
-                                        <object class="wxBoxSizer" expanded="0">
+                                        <object class="wxBoxSizer" expanded="1">
                                             <property name="minimum_size"></property>
                                             <property name="name">bRightSizer</property>
                                             <property name="orient">wxVERTICAL</property>
@@ -11250,7 +11250,7 @@
                                                             <property name="permission">none</property>
                                                             <object class="sizeritem" expanded="0">
                                                                 <property name="border">5</property>
-                                                                <property name="flag">wxEXPAND</property>
+                                                                <property name="flag">wxEXPAND|wxTOP|wxBOTTOM</property>
                                                                 <property name="proportion">0</property>
                                                                 <object class="wxFlexGridSizer" expanded="0">
                                                                     <property name="cols">4</property>
@@ -12604,7 +12604,7 @@
                                             </object>
                                             <object class="sizeritem" expanded="0">
                                                 <property name="border">5</property>
-                                                <property name="flag">wxEXPAND</property>
+                                                <property name="flag">wxEXPAND|wxTOP|wxBOTTOM</property>
                                                 <property name="proportion">0</property>
                                                 <object class="wxStaticBoxSizer" expanded="0">
                                                     <property name="id">wxID_ANY</property>
@@ -12616,7 +12616,7 @@
                                                     <event name="OnUpdateUI"></event>
                                                     <object class="sizeritem" expanded="0">
                                                         <property name="border">5</property>
-                                                        <property name="flag">wxEXPAND</property>
+                                                        <property name="flag">wxEXPAND|wxTOP|wxBOTTOM</property>
                                                         <property name="proportion">0</property>
                                                         <object class="wxFlexGridSizer" expanded="0">
                                                             <property name="cols">3</property>
@@ -13420,11 +13420,11 @@
                                                     </object>
                                                 </object>
                                             </object>
-                                            <object class="sizeritem" expanded="0">
+                                            <object class="sizeritem" expanded="1">
                                                 <property name="border">5</property>
                                                 <property name="flag">wxEXPAND|wxTOP</property>
                                                 <property name="proportion">1</property>
-                                                <object class="wxStaticBoxSizer" expanded="0">
+                                                <object class="wxStaticBoxSizer" expanded="1">
                                                     <property name="id">wxID_ANY</property>
                                                     <property name="label">Results:</property>
                                                     <property name="minimum_size"></property>
@@ -14897,7 +14897,7 @@
                                             <property name="permission">none</property>
                                             <object class="sizeritem" expanded="0">
                                                 <property name="border">5</property>
-                                                <property name="flag">wxEXPAND</property>
+                                                <property name="flag">wxEXPAND|wxTOP|wxBOTTOM|wxRIGHT</property>
                                                 <property name="proportion">0</property>
                                                 <object class="wxStaticBoxSizer" expanded="0">
                                                     <property name="id">wxID_ANY</property>
@@ -15709,7 +15709,7 @@
                                                     <property name="permission">none</property>
                                                     <object class="sizeritem" expanded="0">
                                                         <property name="border">5</property>
-                                                        <property name="flag">wxALL</property>
+                                                        <property name="flag">wxALL|wxALIGN_CENTER_VERTICAL</property>
                                                         <property name="proportion">0</property>
                                                         <object class="wxButton" expanded="0">
                                                             <property name="BottomDockable">1</property>
@@ -15880,7 +15880,7 @@
                                             </object>
                                             <object class="sizeritem" expanded="0">
                                                 <property name="border">5</property>
-                                                <property name="flag">wxEXPAND</property>
+                                                <property name="flag">wxEXPAND|wxTOP</property>
                                                 <property name="proportion">0</property>
                                                 <object class="wxStaticBoxSizer" expanded="0">
                                                     <property name="id">wxID_ANY</property>
@@ -15892,7 +15892,7 @@
                                                     <event name="OnUpdateUI"></event>
                                                     <object class="sizeritem" expanded="0">
                                                         <property name="border">5</property>
-                                                        <property name="flag">wxEXPAND</property>
+                                                        <property name="flag">wxEXPAND|wxTOP|wxBOTTOM</property>
                                                         <property name="proportion">0</property>
                                                         <object class="wxFlexGridSizer" expanded="0">
                                                             <property name="cols">3</property>
@@ -16764,11 +16764,11 @@
                                                     <event name="OnUpdateUI"></event>
                                                 </object>
                                             </object>
-                                            <object class="sizeritem" expanded="0">
+                                            <object class="sizeritem" expanded="1">
                                                 <property name="border">5</property>
-                                                <property name="flag">wxEXPAND|wxBOTTOM|wxRIGHT|wxLEFT</property>
+                                                <property name="flag">wxALL|wxEXPAND</property>
                                                 <property name="proportion">1</property>
-                                                <object class="wxTextCtrl" expanded="0">
+                                                <object class="wxHtmlWindow" expanded="1">
                                                     <property name="BottomDockable">1</property>
                                                     <property name="LeftDockable">1</property>
                                                     <property name="RightDockable">1</property>
@@ -16799,7 +16799,6 @@
                                                     <property name="max_size"></property>
                                                     <property name="maximize_button">0</property>
                                                     <property name="maximum_size"></property>
-                                                    <property name="maxlength"></property>
                                                     <property name="min_size"></property>
                                                     <property name="minimize_button">0</property>
                                                     <property name="minimum_size"></property>
@@ -16814,21 +16813,19 @@
                                                     <property name="resize">Resizable</property>
                                                     <property name="show">1</property>
                                                     <property name="size"></property>
-                                                    <property name="style">wxTE_MULTILINE|wxTE_READONLY</property>
+                                                    <property name="style">wxHW_NO_SELECTION|wxHW_SCROLLBAR_AUTO</property>
                                                     <property name="subclass"></property>
                                                     <property name="toolbar_pane">0</property>
                                                     <property name="tooltip"></property>
-                                                    <property name="validator_data_type"></property>
-                                                    <property name="validator_style">wxFILTER_NONE</property>
-                                                    <property name="validator_type">wxDefaultValidator</property>
-                                                    <property name="validator_variable"></property>
-                                                    <property name="value"></property>
                                                     <property name="window_extra_style"></property>
                                                     <property name="window_name"></property>
-                                                    <property name="window_style"></property>
+                                                    <property name="window_style">wxSUNKEN_BORDER</property>
                                                     <event name="OnChar"></event>
                                                     <event name="OnEnterWindow"></event>
                                                     <event name="OnEraseBackground"></event>
+                                                    <event name="OnHtmlCellClicked"></event>
+                                                    <event name="OnHtmlCellHover"></event>
+                                                    <event name="OnHtmlLinkClicked"></event>
                                                     <event name="OnKeyDown"></event>
                                                     <event name="OnKeyUp"></event>
                                                     <event name="OnKillFocus"></event>
@@ -16848,10 +16845,6 @@
                                                     <event name="OnRightUp"></event>
                                                     <event name="OnSetFocus"></event>
                                                     <event name="OnSize"></event>
-                                                    <event name="OnText"></event>
-                                                    <event name="OnTextEnter"></event>
-                                                    <event name="OnTextMaxLen"></event>
-                                                    <event name="OnTextURL"></event>
                                                     <event name="OnUpdateUI"></event>
                                                 </object>
                                             </object>
@@ -16859,7 +16852,7 @@
                                     </object>
                                     <object class="sizeritem" expanded="0">
                                         <property name="border">5</property>
-                                        <property name="flag">wxEXPAND</property>
+                                        <property name="flag">wxEXPAND|wxTOP|wxBOTTOM</property>
                                         <property name="proportion">1</property>
                                         <object class="wxStaticBoxSizer" expanded="0">
                                             <property name="id">wxID_ANY</property>
diff --git a/pcb_calculator/dialogs/pcb_calculator_frame_base.h b/pcb_calculator/dialogs/pcb_calculator_frame_base.h
index f6dbef0008..55e61b3c75 100644
--- a/pcb_calculator/dialogs/pcb_calculator_frame_base.h
+++ b/pcb_calculator/dialogs/pcb_calculator_frame_base.h
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////
-// C++ code generated with wxFormBuilder (version Mar  9 2015)
+// C++ code generated with wxFormBuilder (version Jun  5 2014)
 // http://www.wxformbuilder.org/
 //
 // PLEASE DO "NOT" EDIT THIS FILE!
@@ -242,7 +242,7 @@ class PCB_CALCULATOR_FRAME_BASE : public KIWAY_PLAYER
 		wxTextCtrl* m_Att_R3_Value;
 		wxStaticText* m_attR3Unit;
 		wxStaticText* m_staticTextAttMsg;
-		wxTextCtrl* m_Attenuator_Messages;
+		wxHtmlWindow* m_Attenuator_Messages;
 		wxPanel* m_panelAttFormula;
 		wxPanel* m_panelColorCode;
 		wxRadioBox* m_rbToleranceSelection;
@@ -293,7 +293,7 @@ class PCB_CALCULATOR_FRAME_BASE : public KIWAY_PLAYER
 	
 	public:
 		
-		PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("PCB Calculator"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 702,489 ), long style = wxDEFAULT_FRAME_STYLE|wxRESIZE_BORDER|wxFULL_REPAINT_ON_RESIZE|wxTAB_TRAVERSAL );
+		PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("PCB Calculator"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 753,485 ), long style = wxDEFAULT_FRAME_STYLE|wxRESIZE_BORDER|wxFULL_REPAINT_ON_RESIZE|wxTAB_TRAVERSAL );
 		
 		~PCB_CALCULATOR_FRAME_BASE();