General :: Starting A Service At Startup?

I want to start a service and a script SiteMonitor.sh at startup.

Here is brief working of SiteMonitor.sh(This script monitors the ip addresses of machines which are using http service of the host. This script checks this after every 5 seconds therefore i have run it at background.)

To start with i have modified /etc/rc.local file.

Here is the content of my /etc/rc.local file.

Code:
#!/bin/sh
#
# This script will be executed *after* all the other init scripts.
# You can put your own initialization stuff in here if you don't
# want to do the full Sys V style init stuff.

[Code]....