var fDesc=new Array(); fDesc[0] = "Torque on an Electric Dipole in a Constant Field simulates the field of an electric dipole rotating in a constant magnetic field. You must be connected to the Internet the first time you view this simulation, at which point the codebase for all the simulations will be downloaded to your computer."; 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 = ''; } }