var fDesc=new Array(); fDesc[0] = "PreviSat is a satellite tracking program designed for observing purposes. It shows positions of artificial satellites in real-time or manual mode. The program is able to make predictions of their passes and also predictions of Iridium flares. Also, it shows satellites in a world map view or in a sky map view and is able to calculate all passes of satellites for any location in 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 = ''; } }