File name character encoding in zipped file

Hi All,
I have the following problem: I have received a zipped file which contains a folder and file structure. The file was zipped on Windows XP with Czech language. The problem is that the folder/file names use Czech characters (codepage CP1250). The characters in filenames after unzipping the structure are corrupted.
Is there any way how to define the codepage during unzipping or, more in general, way how to convert file names in one codepage to UTF-16 used in Mac's file system?
Thanks for ideas.

You might give this a try for converting the filenames after unzipping, though I think it is designed for the old Mac CE encoding rather than the Windows version:
http://support.apple.com/downloads/FileName_Encoding_RepairUtility
Otherwise the only option may be manually converting the text strings with something like TextWrangler.

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