Apache tomcat Auto Startup script linux

#!/bin/bash
# chkconfig:
# description: Tomcat Server basic start/shutdown script
# processname: tomcat
JAVA_HOME=/usr/java/jdk1.6.0_26
export JAVA_HOME
TOMCAT_HOME=/opt/tomcat/bin
START_TOMCAT=/opt/tomcat/bin/startup.sh
STOP_TOMCAT=/opt/tomcat/bin/shutdown.sh
start() {
echo -n "Starting tomcat: "
cd $TOMCAT_HOME
${START_TOMCAT}
echo "done."
}
stop() {
echo -n "Shutting down tomcat: "
cd $TOMCAT_HOME
${STOP_TOMCAT}
echo "done."
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
sleep 10
start
;;
*)
echo "Usage: $0 {start|stop|restart}"
esac
exit 0