var fDesc=new Array(); fDesc[0] = "The API Technical Data Book provides the latest API research, standards and methods specifically for the oil and gas markets. This program provides the technical expert’s recommendations on what data and methods should be employed to accurately predict the phase equilibrium and thermo-physical properties of chemical and refining streams. This information is necessary for the cost effective design of and for the safe and efficient operation of process units."; 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 = ''; } }