validation withtout form..can?

[eluser]tnathos[/eluser]
hi, in my app i use ajax-jquery for send the data to the db.. in the function the jquery i use a javascripts for validate the fields.. for example empty, password etc..

i am interest in use the validation what CI have.. but whit i use ajax.. i dont use <form>.. so its possible use ajax whit validation CI whitout form?

thanks.