var fDesc=new Array(); fDesc[0] = "VideoCAD is a multifunctional CAD tool that helps you design video surveillance systems for CCTV infrastructure. You can calculate geometric parameters of camera view area in any camera position; calculate the image size on display of any object in the camera view area; display on a 2D layout the results of calculations; model lens distortion and camera rotation around the main optical axis; model images from cameras based on camera parameters and scene conditions, and more."; 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 = ''; } }