To paint a panelled door you will need;
When finished the door should be evenly covered all over, with the paint running in the direction of the woodgrain on all of the individual components of the door.
It is recommended that gloss or vinyl silk paint is used for the top coat on doors as they are the most hard wearing.
Do you know somebody who is improving their home, if so why not share the resources of simplifydiy.com with them.