var fDesc=new Array(); fDesc[0] = "The 'Orifice Flow Calculator' is an easy to use, one page program to assist in sizing an orifice meter and bore size. For a given set of input variables, the program will calculate the bore & beta ratio, the differential pressure, or the flow rate for 2" & larger pipe sizes. The Orifice Flow Calculator is provided for estimation purposes only. Please consult your Daniel representative for exact bore sizing or further assistance."; 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 = ''; } }