var fDesc=new Array(); fDesc[0] = "GearDXF can be used to design Spur, Internal, and Rack gears, which can then be exported to 2D DXF, and SVG files or 3D STEP, OBJ, and STL files. This tiny program provides a simple interface where you can customize the module and diametral pitch, pressure angle, clearance, and other properties of gear."; 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 = ''; } }