Over the last several years web developers have moved more and more code to the browser in an effort to improve the overall user experience.  This code is usually in the form of JavaScript libraries which provide advanced functionality and improved performance.  With the widespread adoption of AJAX developers are pushing our JavaScript skills to the limits.  Even with this increased reliance on JavaScript running in the browser, there is still a need for server side application code.  While the split in application logic has brought some improvements in our user experience, it has brought its own set of challenges as well.  Having application code in two locations often requires us to pass values from the server side to our client-side JavaScript...