cross-browser way of getting navigator.{browserLanguage, systemLanguage, userLanguage}
<p>Is </p>

<pre><code>var b = navigator.browserLanguage;
var sy = navigator.systemLanguage;
var u = navigator.userLanguage;
</code></pre>

<p>cross-browser and safe? Does JQuery have a better way of doing it?</p>

<p>One side question:-
What is safe?</p>

<pre><code> obj == null
 obj === null
</code></pre>

<p>-Ajay</p>
