Hi Ron
As Paul stated there are many ways of doing sliders. Most of the new sliders out there do work with JavaScript but often used already loaded dom elements for the slides. That means that the actual content is in the HTML and the JavaScript is used to animate or style them. This content would then be indexed just as a normal div would.
You can also use http://www.seobrowser.com/, (simple option is free) to see the page as Google would see it. If you then can read your content it should be possible to index it.
One thing to think of is that sliders, as the name implies, often contains more than one slide. If the slider has a heading in it it might be a good thing to make the first heading H1 and secondary sliders H2. This way you can place your most important content in the first slide.
Not sure if you use Jquery but if you do http://jquerytools.org/ offer great power and flexibility. Please note that I am NOT connected to them or work for them. We have just used their scripts on variious of our projects.
I had a quick look at your example and unfortunetely that would have a very hard time getting indexed since content is in the javascript. I would consider putting all content in the HTML and then just hide and show sections using Jquery instead.
Have a great day and good luck
Fredrik