var fDesc=new Array(); fDesc[0] = "It will size orifice plates for given design conditions, find pressure drop for a given flow, or flow for a given pressure drop. It is designed for gas orifices.

The program let you calculate the following orifice-types:

- Gas Orifice

- Liquid Orifice

- Restriction Orifice - Gas

- Restriction Orifice - Liquid"; 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 = ''; } }