var fDesc=new Array(); fDesc[0] = "The BTS is an automatic battery discharge test set designed to enable unattended discharge tests to be performed on standby batteries. It is widely acknowledged that a capacity test as performed by a controlled constant current discharge gives the best indication as to the health of a standby battery and its ability to perform to its specification."; 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 = ''; } }