var fDesc=new Array(); fDesc[0] = "Psychrometric Chart Pro is a program that enables you to make calculations of air treatment processes such as cooling, heating and humidifying. It includes feature such as enthalpy, vapor pressure, specific density, temperature range of -25 °C to 200 °C and altitude ranging from 0m to 2490m height."; 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 = ''; } }