var fDesc=new Array(); fDesc[0] = "The IsoCalc program is designed to perform various rudimentary thermal calculations using fundamental engineering heat flow formulas and input data that is application specific. The program will determine the following information applicable to pipe and sheet insulation for piping, duct, and large vessel applications."; 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 = ''; } }