var fDesc=new Array(); fDesc[0] = "F100 is a programming tool to output frequencies you enter via the text file and then copy to the generator. You can also create/edit programs in standalone mode with the keypad. The application gives you full control over the frequency, duty cycle, sweep, loops, gating/modulation and many other parameters."; 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 = ''; } }