<div class="slide">
      <h1>Operatic Origins</h1>
      <ul>
       <li>
        Opera 4 introduced <a href="http://www.opera.com/support/tutorials/operashow/">Opera 
         Show</a>, a projection-mode style sheet technology</li>
       <li>
        Allows a single XHTML document to be turned into a PowerPoint-like slide show</li>
       <li>
        Adding screen and print style sheets allows for multi-medium views of a single 
        document</li>
       <li>
        Highly efficient, but highly browser centric...</li>
      </ul>
     </div>
  <div class=slide>
  
  Look at the source(s):
  <iframe width=100% height=500 src=sample-html-s5-demo.htm.html></iframe>
  
  </div>