var fDesc=new Array(); fDesc[0] = "As well as being able to display the position of aircraft, there will be some aircraft that do not transmit their position and will only appear on the Aircraft List. With conventional Virtual Radar Receivers you do not know if the aircraft is 1/2 Mile away or 150 Miles away. Their Virtual Radar Receiver is differant, it has been optimised for measuring how far an aircraft is from the receiver, so you have an estimated distance for every aircraft in your Aircraft List."; 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 = ''; } }