$(document).ready(function (){
    $('.poll-form').each(function() {
        $(this).submit(function (){
            
            Poll.submit($(this));
            return false;
        });
    });
});

Poll = function(){
    return {
    
        submit: function(form) {
            
            $.post(
                form.attr('action'), 
                form.serialize(),
                function (data) {
                
                    var wrapper = form.parent();
                    form.remove();
                    wrapper.append(data);
                }
            );
        }
    }
}();