var fDesc=new Array(); fDesc[0] = "ZK SDK is a communication protocol SDK development program that provides an interface for data communication with offline fingerprint devices, access control devices, and RFID card devices. It can be used to conveniently manage user information and fingerprints, download attendance records, operation records, user information, and fingerprint templates, set devices, and configure access control."; 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 = ''; } }