title: jQuery: wrap every nth word in a span
body: <p>Is it possible in jquery to wrap each nth word in a span </p>
  
  <p>so lets say I have the html string</p>
  
  <pre><code>&lt;h3&gt;great Prices great Service&lt;/h3&gt; 
  </code></pre>
  
  <p>this will be wrapped as follows ( each 2nd word )</p>
  
  <pre><code>&lt;h3&gt;great &lt;span&gt;Prices&lt;/span&gt; great &lt;span&gt;Service&lt;/span&gt;&lt;/h3&gt; 
  </code></pre>
  
  <p>Any help will be appreciated </p>