var fDesc=new Array(); fDesc[0] = "The Parallax USB Oscilloscope (formerly OPTAscope) is a digital real-time storage oscilloscope that connects to your PC via USB. The small, portable hardware package uses a high-speed USB cable for both data and power, so it requires no separate power supply. All oscilloscope controls are managed through a point-and-click PC software interface. This low-cost and easy-to-use oscilloscope is a perfect solution for students and hobbyists who need to measure and interpret signals for their projects."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }