var yk = new ActiveXObject("YubiKcom.YubiKeyConfig");

if (!yk.ykIsInserted)
{
   WScript.Echo("Please insert the YubiKey before running this script.");
}
else
{
   /*
   0: ykFLAG_TAB_FIRST
   1: ykFLAG_APPEND_TAB1
   2: ykFLAG_APPEND_TAB2
   3: ykFLAG_APPEND_DELAY1
   4: ykFLAG_APPEND_DELAY2
   5: ykFLAG_APPEND_CR
   6: ykFLAG_SEND_REF
   7: ykFLAG_TICKET_FIRST
   8: ykFLAG_PACING_10MS
   9: ykFLAG_PACING_20MS
   10: ykFLAG_ALLOW_HIDTRIG
   */

   WScript.Echo("Configuring YubiKey...");
   yk.ykStaticID = "42424242";
   yk.ykUID = "Brian";
   yk.ykKey = "277e34c4f584be8b1d1268d2c70af8c";
   yk.ykFlagProperty(5) = true;

    // This currently fails on Vista with error code 4.
   var result = yk.ykProgram;

   if (result == 0)
   {
      WScript.Echo("Re-configuration successful!");
   }
   else
   {
   /* I believe these are:
   0: ykOK
   1: ykNO_DEVICE
   2: ykMORE_THAN_ONE
   3: ykREAD_ONLY
   4: ykREAD_ERROR
   5: ykWRITE_ERROR
   */
      WScript.Echo("Error: " + result);
   }
}