Vendor Specific Attribute

Hello All, My vendor id is 301 and attribute id is 1 . How could i compute the pair number which i put in the pair find function to get that vendor specific pair. Or is there any function which calculates the vendor specific attribute number. Thanks a lot Regards FQ _________________________________________________________________ The i’m Talkathon starts 6/24/08.  For now, give amongst yourselves. http://www.imtalkathon.com?source=TXT_EML_WLH_LearnMore_GiveAmongst