$(document).ready(function () {

    $('#submit').click(function () {

        var name = $('input[name=name]');
        var labelname = $('label[for=name]');

        var email = $('input[name=email]');
        var labelemail = $('label[for=email]');

        var comment = $('textarea[name=comment]');
        var labelcomment = $('label[for=comment]');

        if (name.val() == '') {
            name.addClass('hightlight');
            labelname.addClass('hightlight');
            return false;
        } else name.removeClass('hightlight'); labelname.removeClass('hightlight');

        if (email.val() == '') {
            email.addClass('hightlight');
            labelemail.addClass('hightlight');
            return false;
        } else email.removeClass('hightlight'); labelemail.removeClass('hightlight');

        if (comment.val() == '') {
            comment.addClass('hightlight');
            labelcomment.addClass('hightlight');
            return false;
        } else comment.removeClass('hightlight'); labelcomment.removeClass('hightlight');

        var data = 'name=' + name.val() + '&email=' + email.val() + '&comment=' + comment.val();

        $('.text').attr('disabled', 'true');

        $('.loading').show();

        $.ajax({

            url: "process.php",
            type: "GET",
            data: data,
            cache: false,
            success: function (html) {

                if (html == 1) {
                    $('.loading').hide();
                    $('.form').fadeOut('slow');
                    $('.sucesso').fadeIn('slow');

                } else {
					alert('Por favor, verifique as informações inseridas e tente novamente...');				
					$('.loading').hide();
				}
            }
        });

        return false;
    });
});