diff --git a/src/chatdlg.cpp b/src/chatdlg.cpp
index 98bd4531..8dfd3176 100755
--- a/src/chatdlg.cpp
+++ b/src/chatdlg.cpp
@@ -31,17 +31,26 @@ CChatDlg::CChatDlg ( QWidget* parent, Qt::WindowFlags f ) :
 {
     setupUi ( this );
 
+    // add help text to controls -----------------------------------------------
+    lineEditLocalInputText->setAccessibleName ( "New chat text edit box" );
+    TextViewChatWindow->setAccessibleName ( "Chat history" );
+
+
     // clear chat window and edit line
     TextViewChatWindow->clear();
     lineEditLocalInputText->clear();
 
 
     // Connections -------------------------------------------------------------
-    QObject::connect ( lineEditLocalInputText, SIGNAL ( textChanged ( const QString& ) ),
+    QObject::connect ( lineEditLocalInputText,
+        SIGNAL ( textChanged ( const QString& ) ),
         this, SLOT ( OnChatTextChanged ( const QString& ) ) );
 
     QObject::connect ( lineEditLocalInputText, SIGNAL ( returnPressed() ),
         this, SLOT ( OnNewLocalInputText() ) );
+
+    QObject::connect ( pbClear, SIGNAL ( pressed() ),
+        this, SLOT ( OnClearButtonPressed() ) );
 }
 
 void CChatDlg::OnChatTextChanged ( const QString& strNewText )
@@ -61,8 +70,18 @@ void CChatDlg::OnNewLocalInputText()
     lineEditLocalInputText->clear();
 }
 
+void CChatDlg::OnClearButtonPressed()
+{
+    // clear chat window
+    TextViewChatWindow->clear();
+}
+
 void CChatDlg::AddChatText ( QString strChatText )
 {
     // add new text in chat window
     TextViewChatWindow->append ( strChatText );
+
+    // notify accessibility plugin that text has changed
+    QAccessible::updateAccessibility ( TextViewChatWindow, 0,
+        QAccessible::ValueChanged );
 }
diff --git a/src/chatdlg.h b/src/chatdlg.h
index eba87f89..1a744c45 100755
--- a/src/chatdlg.h
+++ b/src/chatdlg.h
@@ -28,6 +28,7 @@
 #include <qpushbutton.h>
 #include <qwhatsthis.h>
 #include <qlayout.h>
+#include <qaccessible.h>
 #include "global.h"
 #ifdef _WIN32
 # include "../windows/moc/chatdlgbase.h"
@@ -49,6 +50,7 @@ public:
 public slots:
     void OnNewLocalInputText();
     void OnChatTextChanged ( const QString& strNewText );
+    void OnClearButtonPressed();
 
 signals:
     void NewLocalInputText ( QString strNewText );
diff --git a/src/chatdlgbase.ui b/src/chatdlgbase.ui
index facd372b..43366470 100755
--- a/src/chatdlgbase.ui
+++ b/src/chatdlgbase.ui
@@ -26,28 +26,17 @@
   </property>
   <layout class="QVBoxLayout" >
    <item>
-    <widget class="QTextBrowser" name="TextViewChatWindow" />
+    <widget class="QTextBrowser" name="TextViewChatWindow" >
+     <property name="textInteractionFlags" >
+      <set>Qt::LinksAccessibleByKeyboard|Qt::LinksAccessibleByMouse|Qt::NoTextInteraction|Qt::TextBrowserInteraction|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+     </property>
+    </widget>
    </item>
    <item>
     <widget class="QLineEdit" name="lineEditLocalInputText" />
    </item>
    <item>
     <layout class="QHBoxLayout" >
-     <property name="spacing" >
-      <number>6</number>
-     </property>
-     <property name="leftMargin" >
-      <number>0</number>
-     </property>
-     <property name="topMargin" >
-      <number>0</number>
-     </property>
-     <property name="rightMargin" >
-      <number>0</number>
-     </property>
-     <property name="bottomMargin" >
-      <number>0</number>
-     </property>
      <item>
       <spacer>
        <property name="orientation" >
@@ -58,12 +47,22 @@
        </property>
        <property name="sizeHint" >
         <size>
-         <width>20</width>
-         <height>20</height>
+         <width>181</width>
+         <height>27</height>
         </size>
        </property>
       </spacer>
      </item>
+     <item>
+      <widget class="QPushButton" name="pbClear" >
+       <property name="text" >
+        <string>Cl&amp;ear</string>
+       </property>
+       <property name="autoDefault" >
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="QPushButton" name="buttonClose" >
        <property name="text" >
@@ -83,8 +82,9 @@
  </widget>
  <tabstops>
   <tabstop>lineEditLocalInputText</tabstop>
-  <tabstop>buttonClose</tabstop>
   <tabstop>TextViewChatWindow</tabstop>
+  <tabstop>pbClear</tabstop>
+  <tabstop>buttonClose</tabstop>
  </tabstops>
  <resources>
   <include location="resources.qrc" />