1 function getmac() {
 2               var locator = new ActiveXObject("WbemScripting.SWbemLocator");
 3               var service = locator.ConnectServer(".");
 4               var properties = service.ExecQuery("select * from Win32_NetworkAdapterConfiguration where IPEnabled=True");
 5               var e = new Enumerator(properties);
 6               {
 7                   var p = e.item();
 8                   var mac = p.MACAddress;
 9                   return mac;
10               }
11           }