post_install() {
	PFIX="/data/srv/httpd/htdocs/rrd"
	if [ ! -e $PFIX/index.html.orig ]
	then
		mv $PFIX/index.html  $PFIX/index.html.orig
		ln -s $PFIX/index-rrd.html $PFIX/index.html
	fi

	ct=`crontab -l`
	echo $ct | grep -q run_rrd.sh
	if [ $? != 0 ]
	then
		line="*/5 * * * *       /usr/bin/run_rrd.sh > /dev/null"
		(crontab -l; echo "$line") | crontab -
	fi


}

post_upgrade() {
 	post_install $1
}


pre_remove() {
	crontab -l | grep -v run_rrd | crontab - 
	PFIX="/data/srv/httpd/htdocs/rrd"
	if [  -e $PFIX/index.html.orig ]
	then
		rm $PFIX/index.html
		mv $PFIX/index.html.orig  $PFIX/index.html
	fi

}