var fDesc=new Array(); fDesc[0] = "Alcyone Lunar Calculator (ALC) provides detailed astronomical information on the Moon. It calculates accurate geocentric or topocentric positional and physical ephemerides, times and circumstances of lunar events (e.g. lunar phases, perigee, apogee, passages through the nodes, first and last lunar visibility, occultations, eclipses), orbital parameters and more covering the time period AD 1200 to AD 2100."; 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 = ''; } }