> 1- They are not devices, rather they are sensors. What's the difference? I don't understand the distinction you're trying to draw here. /~\ The ASCII der Mouse \ / Ribbon Campaign X Against HTML mouse@rodents.montreal.qc.ca / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B