var fDesc=new Array(); fDesc[0] = "HVAC Solution is a schematic diagramming and database tool for laying out the equipment involved in an HVAC system. It lets you draw HVAC air flow and hydronic schematics using hundreds of components. It supports water, propylene glycol, ethylene glycol, and steam. This tool comes with air and fluid property calculator, and fan and pump law analyzer."; 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 = ''; } }