var fDesc=new Array(); fDesc[0] = "PipeNet is a pipe network designer that enables you to select from a pre-defined list or defined your own fluid. You can start with a node and quickly drag out pipes to get the network structure you need. The program also allows auto balancing valves. User defined items like air handlers and chillers can be added as custom pressure drops."; 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 = ''; } }