Datetime Problems With A Searching Query

hi;

i want to get some results for new my stored proce is below;

create Procedure HaberleriGetir

@Kelime varchar(50),

@tarih1 smalldatetime,

@tarih2 smalldatetime,

@KatID int,

@lang char(5)

as

if @lang = 'Hepsi'

select * from Haberler where HKatID = @KatID and Metin like %@Kelime% or Baslik like %@Kelime% and Tarih between @tarih1 and @tarih2

else

select * from Haberler where HKatID = @KatID and lang = @lang and Metin like %@Kelime% or Baslik like %@Kelime% and Tarih between @tarih1 and @tarih2



incorrect near @Kelime....

and i can't get a result between two dates like @tarih1 & @tarih2