Months & Days between 2 dates

DECLARE @date1 DATETIME, @date2 DATETIME, @lastdate DATETIME, @totalMonths INT,@totalDays INT,@counter INT
SET @date1 = '05/02/2012'
SET @date2 = '05/12/2012' 

SET @totalMonths = DATEDIFF(m, @date1, @date2)
IF(@totalMonths < 0)
        SELECT 'Second date parameter is prior to the first date parameter'
IF(@totalMonths =0)
        SELECT DATENAME(month, @date1) [nameOfMonth],DATEDIFF (d,@date1,@date2) [NumberOfDays]
ELSE
BEGIN
        CREATE TABLE #temp_months123
        (
                [nameOfMonth] VARCHAR(9),
                [NumberOfDays] INT
        )
        SET @counter = 0

        SELECT @lastdate= DATEADD( D, -1, DATEADD( mm, DATEDIFF( m, 0, @date1 ) + 1, 0 ) )+1;
        WHILE @counter <@totalMonths
        BEGIN
                SELECT @totalDays=DATEDIFF (d,@date1,@lastdate)
                INSERT INTO #temp_months123(nameOfMonth,NumberOfDays) VALUES (DATENAME(month, @date1),@totalDays)
                SET @counter = @counter + 1
                SET @date1=@lastdate
                SET @lastdate = DATEADD(Month, 1, @date1)

         END
       SELECT @totalDays=DATEDIFF (d,@date1,@date2)+1
       INSERT INTO #temp_months123 (nameOfMonth,NumberOfDays) VALUES (DATENAME(month, @date2),@totalDays)
       SELECT * FROM #temp_months123
END