Servers Start and Stop

HI
I am using below code to start and stop servers but it is not working ,how to run the script please suggest me ,if any errors in the script please let me know.
#!/bin/bash
IMS_START="/Webserver/AppServer/bin/startServer.sh"
IMS_STOP="/Webserver/AppServer/bin/stopServer.sh"
case "$1" in
start)
$IMS_START
;;
stop)
$IMS_STOP
;;
restart)
$0 stop
$0 start
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1
;;
esac

Try

eval $IMS_START

Jerry