var fDesc=new Array(); fDesc[0] = "JJSmith is a transmission-line calculator for both advanced and beginning users. The program is based on the Smith chart and it provides high-accuracy computations without recourse to paper, compass or straightedge. It helps engineers design and analyze networks."; 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 = ''; } }