diff --git a/UI/Templates/PreferencesUI/UIxPreferences.wox b/UI/Templates/PreferencesUI/UIxPreferences.wox
index d6614d346..8742f0c01 100644
--- a/UI/Templates/PreferencesUI/UIxPreferences.wox
+++ b/UI/Templates/PreferencesUI/UIxPreferences.wox
@@ -81,8 +81,8 @@
 	      string="itemFirstWeekText" selection="userFirstWeek"
 	      /></label><br/>
     <label><var:string label:value="Categories"/></label><br/>
-    <div style="overflow:auto; height:230px; padding:2px;"
-      ><table id="categoriesList" cellspacing="0" width="100%">
+    <div id="categoriesListWrapper"
+      ><table id="categoriesList" cellspacing="0">
       <thead>
         <tr class="tableview"
           ><td const:class="tbtv_headercell" const:id="nameTableHeader"
diff --git a/UI/WebServerResources/UIxPreferences.css b/UI/WebServerResources/UIxPreferences.css
index 35be9a07a..a84fee585 100644
--- a/UI/WebServerResources/UIxPreferences.css
+++ b/UI/WebServerResources/UIxPreferences.css
@@ -33,8 +33,13 @@ DIV#identitiesView
   max-width: 390px;
   height: 145px; }
 
-TABLE#messageList
-{ width: 100%; }
+TABLE#categoriesList
+{ width: 95%; }
+
+DIV#categoriesListWrapper
+{ overflow:auto; 
+  height:230px; 
+  padding:2px; }
 
 div.colorBox
 { border: 1px solid #333333;
diff --git a/UI/WebServerResources/UIxPreferences.js b/UI/WebServerResources/UIxPreferences.js
index 92fefd9c4..91bb9ef1c 100644
--- a/UI/WebServerResources/UIxPreferences.js
+++ b/UI/WebServerResources/UIxPreferences.js
@@ -67,8 +67,8 @@ function resetTableActions () {
       row.observe("selectstart", listRowMouseDownHandler);
       var tds = row.childElements ();
       tds[0].observe("mousedown", endAllEditables);
-      tds[1].observe("mousedown", endAllEditables);
       tds[0].observe ("dblclick", onNameEdit);
+      tds[1].observe("mousedown", endAllEditables);
       tds[1].childElements ()[0].observe ("dblclick", onColorEdit);
   }
 }
@@ -129,7 +129,7 @@ function onColorEdit (e) {
 														);
   cPicker.focus();
 
-  preventDefault(event);
+  preventDefault(e);
 }
 
 function onColorPickerChoice (newColor) {