title: Mouseover toggle ajax value
body: <p>I want to get the value from a button to an img's <strong><em>src</em></strong> when it's <strong><em>mousehover</em></strong>.</p>
  
  <pre><code>&lt;div style="float:left;"&gt;
  &lt;button value="dragon.jpg"&gt;Dragon&lt;/button&gt;
  &lt;button value="phoenix.jpg"&gt;Phoenix&lt;/button&gt;
  &lt;/div&gt;
  &lt;div style="float:left;"&gt;&lt;img src="dragon.jpg"&gt;&lt;/div&gt;
  </code></pre>
  
  <p>how do I do this?.</p>