$(function() { 
  // tipsy tooltips
  $('#social a').tipsy({gravity: 'n'});
  
  // 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);
        }
  });
    
  // Twitter script config
  if ($('#tweet').length) {
      getTwitters('tweet', {
        id: 'dawzz',
        count: 1,
        enableLinks: true,
        ignoreReplies: true,
        template: '"%text%" <a class="meta" href="http://twitter.com/%user_screen_name%/status/%id%">%time%</a>'});
  }
    
  // init newsletter subscription AJAX handling
  $('#newslettersubmit').click(function() { $('#newsletterform').submit(); return false; });
  $('#newsletterform').ajaxForm({dataType: 'json',
                                 timeout: 2000,
                                 success: newsletterResponse});
    
  // 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
        
  // pricebox effects
  if($('.price-box').length) {
        $('.price-box').hover(function() {
          $('.price-box').removeClass('pretty-hover');
          $(this).addClass('pretty-hover');
        }, function() {} );

  }
  
  // slider
  if ($('#slides').length) {
    $('#slides').slides({
      preload: true,
      preloadImage: '../images/loading.gif',
      generatePagination: true,
      play: 10000,
      pause: 2500,
      hoverPause: true,
      start: 2
    });
  }
  
  // open external links in a new window
  $('a').click(function() {
        var href = $(this).attr('href');
        var hrgx = new RegExp('http');
        var hcls = $(this).hasClass('noblank');
        if (hrgx.test(href) == true && hcls == false){
            $(this).attr('target','_blank');
        }
        return true;
  });
  
  // tabs
  $('.tab_content').hide();
  $('ul.tabs li:first').addClass('active').show();
  $('.tab_content:first').show();
  $('ul.tabs li').click(function() {
    $('ul.tabs li').removeClass('active');
    $(this).addClass('active');
    $('.tab_content').hide();
    var activeTab = $(this).find('a').attr('href');
    $(activeTab).fadeIn();
    return false;
  });
}); // onload