I just created a flash simulation of what happens when you move an object in front of a convergent lens. When the object is moved back and forth its image will react to the movement. It all had to happen with Actionscript 2 too. Check the result here.... Read More

Update: I’m not using flash for uploads anymore, XHR is better and more stable if you can require users to use at least Chrome 6 or Firefox 3.6 for instance.... Read More

This is a small snippet that will force the input in a named input field (in our case it’s input_txt) to be numbers only.... Read More