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Persistent JavaScript Webpage Hit Counter

Recently I wanted to add a simple web page persistent hit counter to one of my websites. You have all seen such counters; there are a bazillion styles and sizes available on the Internet for free. Rather than use one of the external hit counter services such as hitwebcounter or free-counters or use a PHP and HTTP cookies solution, I decided to use JavaScript and XMLHTTPRequest to retrieve an incrementing counter on the website hosting platform and display it in a vcounter div element. XMLHttpRequest is a JavaScript object which provides the basis mechanism for AJAX (Asynchronous JavaScript and XML)