var fDesc=new Array(); fDesc[0] = "Gears 3D Printer is a free application that generates 3D models in the STL format of spur and helical gears (internal and external). The output STL file can be used with slicer program to print real plastic gears with a 3D printer or be imported with CAD or simulation program."; 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 = ''; } }