Here's a quick JavaScript function to check that a user has entered a valid IP address. Don't ask me why, but there may be times when you need a user to input an IP address, rather than just grab theirs. And it's always easier to check first on the client side with JavaScript than having […]

I was working on a site the other day, and I came across the error on a page that I've never seen before. The page had an embedded Google Map, and there was a JavaScript function to display the map. The page worked in FireFox, but when I ran it in IE, I got the […]

The latest technology (or grouping of technologies) sweeping the web is AJAX (Asynchronous JavaScript And XML). This technology, using the XMLHttpRequest() object to retrieve a piece of XML in the background, and load its contents into the web page dynamically, thus creating a constantly refreshed Dynamic HTML (DHTML) interface.
You can make very complication AJAX […]

Lately I've become obsessed with realtime updates to pages via AJAX & XML. I've been drafting a simple solution, and will be posting it shortly. Stay tuned!
ps - If I get enough AJAX related code, I'll create a new category

It's pretty common to see a nav bar or some persistent menu/object floating on a web page as you scroll dow it. Well here's the code to do that yourself. You can set the specific location for the floating object, and when the web page is scrolled down or up the object will float to […]