I've been playing with the excellent JQuery JavaScript library for a while now. Recently I came across a technique for fading in and out two images based on mouse over and mouse out; and I wanted to see if I could create a fade-in and fade-out hover effect without the images. It's a testament to the robustness and flexibility of JQuery that I could do this in so little code, with so little knowledge. Admittedly my first go can be CPU-intensive, however the code is short and sweet - include JQuery and JQuery UI, mark your elements with a CSS class...

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Although it's easy enough to paste code samples into a PRE tag in a blog post, I reckon it's worth using one of the many tools available for formatting or "prettifying" code so the code is more readable - as long as it's not too much effort. My number one criteria for any tool that "prettifies" code to HTML for posting to a blog is that the tool is free. Secondly, that it's easy to use - I can do without hundreds of options. As for the output HTML, my current preference is for inline styles as it makes posting code...