Converting Vertical Data To Horizontal

I have a table as follows
opendate (datetime) callnumber (int) closed (bit)

I want to find how many calls were opened today and of those how many are closed

I have come up with the code below but again am looking for
1. a more elegant solution
2. a way to generalise this to show the same information for x number of days




create table #holdit1
(opencount int)

create table #holdit2
(closedcount int)

insert into #holdit1
SELECT count(*) as opencount
FROM [dbo].[problog]
WHERE datediff(dd, opendate, getdate()) = 0
AND closed = 0
group by closed

insert into #holdit2
SELECT count(*) as closedcount
FROM [dbo].[problog]
WHERE datediff(dd, opendate, getdate()) = 0
AND closed = 1
group by closed


select #holdit1.opencount AS CallsOpen, #holdit2.closedcount AS CallsClosed, #holdit1.opencount + #holdit2.closedcount AS AllCalls
from #holdit1 cross join #holdit2 #holdit2


DROP TABLE #holdit1
DROP TABLE #holdit2



this gives me
CallsOpen CallsClosed AllCalls
----------- ----------- -----------
1 3 4