vauxhall astra 2006 factory cd player wire block?

hi can any body help me ??

i had my wires cut from the back of the factory cd player in my car . which ment that they were changed to fit another cd player. I need to find somewhere where i can get hold of the block which goes into the factory player !!!
I have lost the original wire block :(
does anybody know somewhere ???

plz help need this done by sept.
thanks