=20 Be careful that the plastics house doesn't switch your plastic to something= that blocks visible light but passes infrared. Been there, done that. It sucked. It looked the same, but the original blocked near IR, and the substitute wa= s something like 90% transmission. --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .