var fDesc=new Array(); fDesc[0] = "OptiSystem allows you to plan, test, and simulate optical links in the transmission layer of modern optical networks. It features Universal DSP, Decision, QAM Sequence Generator and QAM Sequence Decoder components. You also get Erbium Doped MM Fiber, Ytterbium Doped MM Fiber, Measured-Index Multimode Fiber and Parabolic-Index Multimode Fiber amplifier, and other fiber models."; 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 = ''; } }