Am I usort-ing correctly?

Hello, all. I have a table that stores information on the number of employees at approximately 300+ companies, 200 of which are companies of a certain type (let's say retailers). I generate rankings on the fly by having my query ORDER by #_employees DESC. This eliminates the need of having to maintain a "ranks" field in the db, but it raises a new problem for me. I need to present a list of the 200 retailers alphabetically, but first broken into two halves i.e., the biggest 100 retailers sorted alpha, the remaining 200 retailers sorted alpha. I couldn't think of a way to do this in MySQL -- if someone knows a way, that would be great. What I'm attempting instead is to run the ranking query (which I can LIMIT to break the list in half), then usort the returned array. But I can't make it work (wrong datatype in usort() call). I think there's something wrong with the variable I'm using in my strcmp?? Here's the code. Any hints/suggestions greatly appreciated (as always). $result = mysql_query("SELECT DISTINCT CoID, Co, FROM Cos WHERE CoType='Retailer' ORDER BY CoEmps DESC LIMIT 100"); function co_sort($a,$b) { return strcmp($result['Co']); } usort($result, co_sort); --- mtonelli@bway.net phone 718 728 7567 * fax 718 728 4420