Once the Dial-up Scripting Tool is installed goto
start|programs|accessories|dial-up scripting tool to start
it. Highlight your conection for Purdue, then click browse and find where you saved the script Purdue.scp (i.e. C:\Program Files\Accessories\Purdue.scp) and click open. Next click apply. To finish you have to go into your Dial-up networking folder and right click your Purdue connection. Select properties, then Configure and the Options tab. You no longer need to have the "Bring up terminal window after dialing." checked so click on it.
proc main
delay 3
transmit "^M^M^M"
waitfor "username>"
transmit $USERID, raw
transmit "^M"
waitfor ">"
delay 2
transmit "rl expert^M"
waitfor "assword:"
transmit $PASSWORD, raw
transmit "^M"
transmit "%"
delay 2
transmit "^M slirp -P -b 19200^M"
endproc