var fDesc=new Array(); fDesc[0] = "This unique spectrographic analysis allows engineers to see the characteristics of reflections in both time and frequency simultaneously. Standard VNA software shows magnitude as a function of frequency, but includes all reflections. Traditional time domain packages show individual reflections, but obscure what is happening in the frequency domain."; 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 = ''; } }