var fDesc=new Array(); fDesc[0] = "PhySim is a software based digital communication trainer for understanding the design and operation of communication systems. Save Effort, Save Time and Save Cost.
PhySim covers ASK, FSK, PSK, QPSK, DPSK, PAM, PWM, PPM, TDM-PAM, PCM, AM, SSB, SSB-SC, DSB technologies."; 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 = ''; } }