var fDesc=new Array(); fDesc[0] = "InstruCalc calculates the sizes of control valves, flow elements and relief devices; produces data sheets for calculated items, and prepares instrument summaries and uses data sheets as a database for generating reports. InstruCalc allows any set of engineering units, including a user-customised set. Units can be mixed, matched and changed in the middle of a calculation."; 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 = ''; } }