$(function() {  $(document).ready(function() {    //if submit button is clicked    $('#submit').click(function () {        //Get the data from all the fields        var name = $('input[name=name]');        var email = $('input[name=email]');        var phone = $('input[name=phone]');        var comment = $('textarea[name=comment]');        //Simple validation to make sure user entered something        //If error found, add hightlight class to the text field        if (name.val()=='') {            name.addClass('hightlight');            return false;        } else name.removeClass('hightlight');        if (email.val()=='') {            email.addClass('hightlight');            return false;        } else email.removeClass('hightlight');        if (comment.val()=='') {            comment.addClass('hightlight');            return false;        } else comment.removeClass('hightlight');        //organize the data properly        var data = 'name=' + name.val() + '&email=' + email.val() + '&phone=' +        phone.val() + '&comment='  + encodeURIComponent(comment.val());        //disabled all the text fields        $('.text').attr('disabled','true');        //show the loading sign        $('.loading').show();        //start the ajax        $.ajax({            //this is the php file that processes the data and send mail            url: "process.php",            //GET method is used            type: "GET",            //pass the data            data: data,            //Do not cache the page            cache: false,            //success            success: function (html) {                //if process.php returned 1/true (send mail success)                if (html==1) {                    //hide the form                    $('.form').fadeOut('slow');                    //show the success message                    $('.done').fadeIn('slow');                //if process.php returned 0/false (send mail failed)                } else alert('Przepraszamy. Niespodziewany błąd! Prosimy spróbować później.');            }        });        //cancel the submit button default behaviours        return false;    });});});
