Camera Lense Adapter For Old Lenses To Fit Digital Camera Help?

Camera help? - camera lense adapter for old lenses to fit digital

I have a Panasonic Lumix DMC-FZ7, the thought of buying a used Canon EOS 500 (Lol, came the very old: P) for $ 40, which a lot (:, comes with straps and lenses apaptor Lumix DMC stuff.My with something on the sun visor, which is given .. (I have no camera NOWLEDGE party, but I'm really in the picture, pretty stupid: d Do) I buy a universal adapter for the camera? it is such a thing? and where can I buy ..?
Or it fits into the adapter and share i on the umbrella?