$(function(){
  // hide/show default text when user focuses on newsletter subscribe field
  var defaultEmailTxt = $('#email-address').val();
  $('#email-address').focus(function() {
        if ($('#email-address').val() == defaultEmailTxt) {
            $('#email-address').val('');
        }
    });
  $('#email-address').blur(function() {
        if ($('#email-address').val() == '') {
            $('#email-address').val(defaultEmailTxt);
        }
  });

  // Lightbox
  $(".gallery a[rel^='prettyPhoto']").prettyPhoto({animationSpeed:'slow',theme:'dark_rounded',slideshow:4000, autoplay_slideshow: false});

  // Tipsy
  $('#social li a img').tipsy({delayIn: 1200, delayOut: 1200, gravity: 's'});

  //slides
  $('#slides').slides({
    preload: true,
    preloadImage: 'images/loading.gif',
    play: 5000,
    pause: 2500,
    hoverPause: true,
    autoHeight: true});

  // Twitter script config
  if ($('#tweet').length) {
      getTwitters('tweet', {
        id: 'envatowebdesign',
        count: 4,
        enableLinks: true,
        ignoreReplies: true,
        template: '"%text%" <a class="meta" href="http://twitter.com/%user_screen_name%/status/%id_str%">%time%</a>'});
  }

  // init newsletter subscription AJAX handling
  $('#newslettersubmit').click(function() { $('#newsletterform').submit(); return false; });
  $('#newsletterform').ajaxForm({dataType: 'json',
                                 timeout: 2000,
                                 success: newsletterResponse});

  // init contact form validation and AJAX handling
  if ($("#contactform").length > 0) {
    $("#contactform").validate({ rules: { name: 'required',
                                          email: { required: true, email: true },
                                          message: 'required'},
                                 messages: { name: 'Este campo é obrigatório.',
                                             email: { required: 'Este campo é obrigatório.',
                                                     email: 'Por favor digite um e-mail válido.'},
                                             message: 'Este campo é obrigatório.'},
                              });
	 contactform.Submit
  }
});

// handle newsletter subscribe AJAX response
function newsletterResponse(response) {
  if (response.responseStatus == 'err') {
    if (response.responseMsg == 'ajax') {
      alert('Error - this script can only be invoked via an AJAX call.');
    } else if (response.responseMsg == 'fileopen') {
      alert('Error opening $emailsFile. Please refer to documentation for help.');
    } else if (response.responseMsg == 'email') {
      alert('Please enter a valid email address.');
    } else if (response.responseMsg == 'duplicate') {
      alert('You are already subscribed to our newsletter.');
    } else if (response.responseMsg == 'filewrite') {
      alert('Error writing to $emailsFile. Please refer to documentation for help.');
    } else {
      alert('Undocumented error. Please refresh the page and try again.');
    }
  } else if (response.responseStatus == 'ok') {
    alert('Thank you for subscribing to our newsletter! We will not abuse your address.');
  } else {
    alert('Undocumented error. Please refresh the page and try again.');
  }
} // newsletterResponse

// handle contact form AJAX response
function contactFormResponse(response) {
  if (response.responseStatus == 'err') {
    if (response.responseMsg == 'ajax') {
      alert('Error - this script can only be invoked via an AJAX call.');
    } else if (response.responseMsg == 'notsent') {
      alert('We are having some mail server issues. Please refresh the page or try again later.');
    } else {
      alert('Undocumented error. Please refresh the page and try again.');
    }
  } else if (response.responseStatus == 'ok') {
    alert('Thank you for contacting us! We\'ll get back to you ASAP.');
  } else {
    alert('Undocumented error. Please refresh the page and try again.');
  }
} // contactFormResponse