var fDesc=new Array(); fDesc[0] = "Drilling Report, Hydraulics System Pressure Loss. Swab Surge Pressures Drill String. Surge and Maximum Casing Running Speed Directional drilling and charting Well Control, kill sheet, Kill mud and kill graph. Capacities, Displacements. Annular Velocities. cutting transport, Flow characteristics (Turbulent-Laminar) Critical flow rates. Bit Record Database Calculates for up to 4 Mud pumps."; 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 = ''; } }