var fDesc=new Array(); fDesc[0] = "The program SE-PROP developed by James M. Roop is a software that allows you to explore the K9SE Propagation Assessment.This software is absolutely freeware and also allows you to explore the concepts contained in Emil Pocock's and the fact that the sporadic-E propagation at 144 MHz and higher is much less frequent than at 50 MHz"; 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 = ''; } }