var fDesc=new Array(); fDesc[0] = "The Labor Calculator is a reference tool that provides consistent data on the time required to complete certain plumbing and HVAC jobs. The Labor Calculator has been developed and prepared by the PHCC Educational Foundation as a service to P-H-C contractors, consulting engineers, and the industry at large. Since the risk (Or profit potential) in any job is expended labor, the PHCC Labor Calculator should prove an invaluable aid to the P-H-C contractor in preparing estimates."; 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 = ''; } }