Newbie needs help

Hi everyone.

i am just starting with flash and im trying to make a game, its a catching game. all i got for now is a character that i can move and object that are falling from the top of the screen, the problem is when the objects are falling that my background falls along with it.

can someone please take a look at it ?

Here is a link with the .Fla and images
http://www.datafilehost.com/download-aa00971c.html