Be nicer to color blind people.

common/content/style.js

@@ -29,7 +29,7 @@ Highlights.prototype.CSS = <![CDATA[
     Object      color: maroon;
     String      color: green;
 
-    Enabled     color: green;
+    Enabled     color: blue;
     Disabled    color: red;
 
     Normal      color: black; background: white;

common/modules/storage.jsm

@@ -135,6 +135,8 @@ function setCharPref(name, value)
 }
 
 function loadPref(name, store, type)
+{
+    try
     {
         if (store)
             var pref = getCharPref(name);
@@ -150,6 +152,8 @@ function loadPref(name, store, type)
         if (result instanceof type)
             return result;
     }
+    catch (e) {}
+}
 
 function savePref(obj)
 {