var fDesc=new Array(); fDesc[0] = "Occult is a program for predicting astronomical occultation. It makes use of data that is freely available such as various star catalogues and the planetary ephemerides developed by government agencies. Occultation and graze observations have been contributed mainly by the efforts of amateur astronomers from around the world."; 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 = ''; } }