var fDesc=new Array(); fDesc[0] = "DAVID 3D SCANNER is a program that allows 3D scanning of objects and surfaces. There are two methods of scanning; laser scanning, and structured light scanning. For laser scanning, you need a a video camera such as a webcam, a line laser, and a 90° "corner" as background. Structured Light Scanning uses a video projector instead of a laser; here, no 90° corner is required during scanning."; 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 = ''; } }