title: change char-set of page with jquery
body: <p>can i change the char-set of the page in jquery ?</p>
  
  <p>i need it , because i support old system  that not use utf-8.</p>
  
  <p>on user click  i want to show different language form .</p>
  
  <p>It is text that come via ajax</p>
  
  <p>I CAN GET IT BUT COULD NOT CHANGE IT :</p>
  
  <pre><code>var meta = $("meta").attr("content");
  alert(meta);
  </code></pre>
  
  <p>thanks</p>