title: change contetnt of a div to another cods with another divs
body: <p>I wan to when I click on my favorite button the content of a div that named id=content change to my favorite code with another divs. 
  I don't know I should use jquery Ajax or what?
  This is my code:
  I don't know what exactly I do to get my point.</p>
  
  <pre><code>    &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt;
  &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt;
  &lt;head&gt;
  &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt;
  &lt;title&gt;Untitled Document&lt;/title&gt;
  &lt;script type="text/javascript" src="lib/js/external/_oldies/jquery-1.3.min.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript"&gt;
  //what should i write here?
  
  });
  });
  &lt;/script&gt;
  
  &lt;style&gt;
  
  
  &lt;body&gt;
  &lt;div class="header"&gt;
  &lt;div class="logo"&gt;
  &lt;strong&gt;MERAJ GAZ&lt;span&gt;branch num2&lt;/span&gt; &lt;/strong&gt;
  
  &lt;/div&gt;
  &lt;/div&gt;
  &lt;div class="wrapper"&gt;
  &lt;div class="menu"&gt;
  &lt;ul&gt;
  &lt;li&gt;
  &lt;a id="product"&gt;product&lt;/a&gt;
  &lt;/li&gt;
  &lt;li&gt;
  adress
  &lt;/li&gt;
  &lt;li&gt;
  our succsess
  &lt;/li&gt;
  &lt;li&gt;
  contact us
  &lt;/li&gt;
  &lt;/ul&gt;
  &lt;/div&gt;
  &lt;div class="clear-fix"&gt;
  &lt;/div&gt;
  &lt;div class="content" &gt;
  &lt;div class="meraj"&gt;
  &lt;img src="absolute.png" /&gt;
  &lt;/div&gt;
  &lt;div id="content"&gt;
  &lt;img id="img" src="IMG_0375.JPG" width="822" height="400" style="-moz-border-radius: 15px;border-top:none;"/&gt;
  &lt;/div&gt;
  &lt;/div&gt;
  &lt;div class="clear-fix"&gt;
  &lt;/div&gt;
  &lt;/div&gt;
  &lt;/div&gt;
  &lt;/div&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>