title: set size of image with xsl
body: <p>I have a XML that contains img tag</p>
  
  <pre><code>&lt;xml&gt;
  &lt;img src="/path/to/file.jpg" orginalwidth="150" /&gt;
  &lt;/xml&gt;
  </code></pre>
  
  <p>I want to have:</p>
  
  <pre><code>&lt;img src="/paht/to/file.jpg" size=SIZE /&gt;
  </code></pre>
  
  <p>Where SIZE is minimum of orginalsize and 100px</p>