If you’ve ever spent time looking for stuff on the Internet you know that there are a million and a half acronyms out there – PHP, HTML, SQL, etc.  AJAX is an acronym that gets used a lot, but do you actually know what it is?  AJAX stands for Asynchronous JavaScript And XML – that’s an uber-geek definition that really means “I can dynamically change content on a web page based on data I get from somewhere else without having…