var fDesc=new Array(); fDesc[0] = "GASCalc™ is a Windows based suite of tools designed to calculate various parameters associated with gas piping and equipment. It can be used to calculate blowdown (venting) time - compressibility and other gas properties - dimensional and energy conversions - lost gas volumes - pipe size, flow, and stress values - orifice meter sizing - regulator, relief, and valve sizing - numerous other pressure, flow, and stress related values."; 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 = ''; } }