var fDesc=new Array(); fDesc[0] = "F-Intermod calculates RF and optical intermodulation products. Up to 1000 transmit and 1000 receive frequencies can be entered with a frequency range from 0 Hz to 999,999.99999 THz and for optical 0 to 999,999.99999 nm. Unlimited calculated intermodulation frequencies output with order of 2 and higher."; 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 = ''; } }