Bug 66522 Make it easier to use mouse wheel preferences r=caillon sr=bz

xpfe/components/prefwindow/resources/content/pref-mousewheel.xul

@@ -84,30 +84,19 @@
   ]]>
   </script>
 
-    <hbox align="center">
-      <label value="&mouseWheelPanel.label;" accesskey="&mouseWheelPanel.accesskey;" 
-             control="mouseWheelMode"/>
-    </hbox>
+  <label value="&mouseWheelPanel.label;"/>
 
-    <separator class="thin"/>
+  <separator class="thin"/>
   
-    <groupbox>
-      <caption>
-        <hbox> 
-          <menulist id="mouseWheelMode" oncommand="switchPage(this);"
-            preftype="bool" prefstring="pref.mousewheel.disable_button.modifier" prefattribute="disabled">
-            <menupopup>
-              <menuitem value="0" label="&usingJustTheWheel.label;"/>
-              <menuitem value="1" label="&usingWheelAndAlt.label;"/>
-              <menuitem value="2" label="&usingWheelAndCtrl.label;"/>
-              <menuitem value="3" label="&usingWheelAndShft.label;"/>
-            </menupopup>
-          </menulist>
-        </hbox>
-      </caption>
+  <tabbox class="indent">
+    <tabs>
+      <tab label="&usingJustTheWheel.label;"/>
+      <tab label="&usingWheelAndAlt.label;"/>
+      <tab label="&usingWheelAndCtrl.label;"/>
+      <tab label="&usingWheelAndShft.label;"/>
+    </tabs>
 
-
-    <deck id="modifierDeck" class="indent">
+    <tabpanels>
       
       <!-- no key modifiers -->
       <radiogroup id="mousewheelWithNoKeyAction"
@@ -192,7 +181,7 @@
         <radio value="2" label="&history.label;" accesskey="&history.accesskey;"/>
         <radio value="3" label="&textsize.label;" accesskey="&textsize.accesskey;"/>
       </radiogroup>
-    </deck>     
-  </groupbox>
+    </tabpanels>     
+  </tabbox>
 </page>