Wordpress - Synch 2 equal Sites with the entries of one(repost)

I have two wordpress installations on same server. Need a php sql script, that the second blog is importing all entries and all categories from the first one. The first blog with full content, the second one is still emtpy and should only by synch. First Blog will be updated, Secound should synch the entries from there. Categories are the same. Extremly important to work with is icq or msn. what u want. So come on and bid :) need it fast!