var fDesc=new Array(); fDesc[0] = "This reference example of a basic tank control application is based on the machine control reference architecture described in a series of articles on Developer Zone. This type of control application may be used in bioreactors, refineries, bevergae production, or any other system which involves control of distributed equipment such as valves, relays, heaters, coolers, stirrers, etc."; 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 = ''; } }