// $Id$
(function ($) {

function extlinkAttach(context) {
  // Strip the host name down, removing ports, subdomains, or www.
  var pattern = /^(([^\/:]+?\.)*)([^\.:]{4,})((\.[a-z]{1,4})*)(:[0-9]{1,5})?$/;
  var host = window.location.host.replace(pattern, '$3$4');
  var subdomain = window.location.host.replace(pattern, '$1');

  // Determine what subdomains are considered internal.
  if (Drupal.settings.extlink.extSubdomains) {
    var subdomains = "([^/]*\\.)?";
  }
  else if (subdomain == 'www.' || subdomain == '') {
    var subdomains = "(www\\.)?";
  }
  else {
    var subdomains = subdomain.replace(".", "\\.");
  }

  // Build regular expressions that define an internal link.
  var internal_link = new RegExp("^https?://" + subdomains + host, "i");

  // Extra internal link matching.
  var extInclude = false;
  if (Drupal.settings.extlink.extInclude) {
    extInclude = new RegExp(Drupal.settings.extlink.extInclude.replace(/\\/, '\\'));
  }

  // Extra external link matching.
  var extExclude = false;
  if (Drupal.settings.extlink.extExclude) {
    extExclude = new RegExp(Drupal.settings.extlink.extExclude.replace(/\\/, '\\'));
  }

  // Find all links which are NOT internal and begin with http (as opposed
  // to ftp://, javascript:, etc. other kinds of links.
  // When operating on the 'this' variable, the host has been appended to
  // all links by the browser, even local ones.
  // In jQuery 1.1 and higher, we'd use a filter method here, but it is not
  // available in jQuery 1.0 (Drupal 5 default).
  var external_links = new Array();
  var mailto_links = new Array();
  $("a:not(." + Drupal.settings.extlink.extClass + ", ." + Drupal.settings.extlink.mailtoClass + ")", context).each(function(el) {
    try {
      var url = this.href.toLowerCase();
      if (url.indexOf('http') == 0 && (!url.match(internal_link) || (extInclude && url.match(extInclude))) && !(extExclude && url.match(extExclude))) {
        external_links.push(this);
      }
      else if (url.indexOf('mailto:') == 0) {
        mailto_links.push(this);
      }
    }
    // IE7 throws errors often when dealing with irregular links, such as:
    // <a href="node/10"></a> Empty tags.
    // <a href="http://user:pass@example.com">example</a> User:pass syntax.
    catch(error) {
      return false;
    }
  });

  if (Drupal.settings.extlink.extClass) {
    // Apply the "ext" class to all links not containing images.
    if (parseFloat($().jquery) < 1.2) {
      $(external_links).not('[img]').addClass(Drupal.settings.extlink.extClass).each(function() { if ($(this).css('display') == 'inline') $(this).after('<span class=' + Drupal.settings.extlink.extClass + '></span>'); });
    }
    else {
      $(external_links).not($(external_links).find('img').parents('a')).each(function() { if ($(this).css('display') == 'inline') $(this).after('<span class=' + Drupal.settings.extlink.extClass + '></span>'); });
    }
  }

  if (Drupal.settings.extlink.mailtoClass) {
    // Apply the "mailto" class to all mailto links not containing images.
    if (parseFloat($().jquery) < 1.2) {
      $(mailto_links).not('[img]').addClass(Drupal.settings.extlink.mailtoClass).each(function() { if ($(this).css('display') == 'inline') $(this).after('<span class=' + Drupal.settings.extlink.mailtoClass + '></span>'); });
    }
    else {
      $(mailto_links).not($(mailto_links).find('img').parents('a')).addClass(Drupal.settings.extlink.mailtoClass).each(function() { if ($(this).css('display') == 'inline') $(this).after('<span class=' + Drupal.settings.extlink.mailtoClass + '></span>'); });
    }
  }

  if (Drupal.settings.extlink.extTarget) {
    // Apply the target attribute to all links.
    $(external_links).attr('target', Drupal.settings.extlink.extTarget);
  }

  if (Drupal.settings.extlink.extAlert) {
    // Add pop-up click-through dialog.
    $(external_links).click(function(e) {
     return confirm(Drupal.settings.extlink.extAlertText);
    });
  }

  // Work around for Internet Explorer box model problems.
  if (($.support && !($.support.boxModel === undefined) && !$.support.boxModel) || ($.browser.msie && parseInt($.browser.version) <= 7)) {
    $('span.ext, span.mailto').css('display', 'inline-block');
  }
}

Drupal.behaviors.extlink = {
  attach: function(context){
    extlinkAttach(context);
  }
}

})(jQuery);
;
(function ($) {

$(document).ready(function() {

  // Accepts a string; returns the string with regex metacharacters escaped. The returned string
  // can safely be used at any point within a regex to match the provided literal string. Escaped
  // characters are [ ] { } ( ) * + ? - . , \ ^ $ # and whitespace. The character | is excluded
  // in this function as it's used to separate the domains names.
  RegExp.escapeDomains = function(text) {
    return (text) ? text.replace(/[-[\]{}()*+?.,\\^$#\s]/g, "\\$&") : '';
  }

  // Attach onclick event to document only and catch clicks on all elements.
  $(document.body).click(function(event) {
    // Catch the closest surrounding link of a clicked element.
    $(event.target).closest("a,area").each(function() {

      var ga = Drupal.settings.googleanalytics;
      // Expression to check for absolute internal links.
      var isInternal = new RegExp("^(https?):\/\/" + window.location.host, "i");
      // Expression to check for special links like gotwo.module /go/* links.
      var isInternalSpecial = new RegExp("(\/go\/.*)$", "i");
      // Expression to check for download links.
      var isDownload = new RegExp("\\.(" + ga.trackDownloadExtensions + ")$", "i");
      // Expression to check for the sites cross domains.
      var isCrossDomain = new RegExp("^(https?|ftp|news|nntp|telnet|irc|ssh|sftp|webcal):\/\/.*(" + RegExp.escapeDomains(ga.trackCrossDomains) + ")", "i");

      // Is the clicked URL internal?
      if (isInternal.test(this.href)) {
        // Is download tracking activated and the file extension configured for download tracking?
        if (ga.trackDownload && isDownload.test(this.href)) {
          // Download link clicked.
          var extension = isDownload.exec(this.href);
          _gaq.push(["_trackEvent", "Downloads", extension[1].toUpperCase(), this.href.replace(isInternal, '')]);
        }
        else if (isInternalSpecial.test(this.href)) {
          // Keep the internal URL for Google Analytics website overlay intact.
          _gaq.push(["_trackPageview", this.href.replace(isInternal, '')]);
        }
      }
      else {
        if (ga.trackMailto && $(this).is("a[href^=mailto:],area[href^=mailto:]")) {
          // Mailto link clicked.
          _gaq.push(["_trackEvent", "Mails", "Click", this.href.substring(7)]);
        }
        else if (ga.trackOutbound && this.href) {
          if (ga.trackDomainMode == 2 && isCrossDomain.test(this.href)) {
            // Top-level cross domain clicked. document.location is handled by _link internally.
            _gaq.push(["_link", this.href]);
          }
          else if (ga.trackOutboundAsPageview) {
            // Track all external links as page views after URL cleanup.
            // Currently required, if click should be tracked as goal.
            _gaq.push(["_trackPageview", '/outbound/' + this.href.replace(/^(https?|ftp|news|nntp|telnet|irc|ssh|sftp|webcal):\/\//i, '').split('/').join('--')]);
          }
          else {
            // External link clicked.
            _gaq.push(["_trackEvent", "Outbound links", "Click", this.href]);
          }
        }
      }
    });
  });
});

})(jQuery);
;