problems with farsi sorting!!

I use unicode to store farsi data in mysql database but I have problems sorting it using ORDERBY command...(ORDER BY does'nt work properly) I don't know what to do . 1---)pleases help me if there is any solution for me to define a charset in the order that I want . 2---) how can I replace

Fwd: problems with farsi sorting!!

Note: forwarded message attached. Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month!---BeginMessage--- I use unicode to store farsi data in mysql database but I have problems sorting it using ORDERBY command...(ORDER BY does'nt work properly) I don't know what to do . 1---)pleases