[jQuery] need help (newbie)

Hi,
I am really new with JQuery. I need your expert help. I was trying to
show input text titles as value. but couldn't done.
here is so far I've reached.
$(function(){
    $('input:text').each(function(n){
     $('input:text').val($('input:text').attr('title'));
    })    ;
})
thanks for the help.