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   1  
   2  $(document).ready(function() {
   3  
   4    // Attach onclick event to document only and catch clicks on all elements.
   5    $(document.body).click(function(event) {
   6      // Catch only the first parent link of a clicked element.
   7      $(event.target).parents("a:first,area:first").andSelf().filter("a,area").each(function() {
   8  
   9        var ga = Drupal.settings.googleanalytics;
  10        // Expression to check for absolute internal links.
  11        var isInternal = new RegExp("^(https?):\/\/" + window.location.host, "i");
  12        // Expression to check for special links like gotwo.module /go/* links.
  13        var isInternalSpecial = new RegExp("(\/go\/.*)$", "i");
  14        // Expression to check for download links.
  15        var isDownload = new RegExp("\\.(" + ga.trackDownloadExtensions + ")$", "i");
  16  
  17        // Is the clicked URL internal?
  18        if (isInternal.test(this.href)) {
  19          // Is download tracking activated and the file extension configured for download tracking?
  20          if (ga.trackDownload && isDownload.test(this.href)) {
  21            // Download link clicked.
  22            var extension = isDownload.exec(this.href);
  23            _gaq.push(["_trackEvent", "Downloads", extension[1].toUpperCase(), this.href.replace(isInternal, '')]);
  24          }
  25          else if (isInternalSpecial.test(this.href)) {
  26            // Keep the internal URL for Google Analytics website overlay intact.
  27            _gaq.push(["_trackPageview", this.href.replace(isInternal, '')]);
  28          }
  29        }
  30        else {
  31          if (ga.trackMailto && $(this).is("a[href^=mailto:],area[href^=mailto:]")) {
  32            // Mailto link clicked.
  33            _gaq.push(["_trackEvent", "Mails", "Click", this.href.substring(7)]);
  34          }
  35          else if (ga.trackOutgoing && this.href) {
  36            if (ga.trackOutboundAsPageview) {
  37              // Track all external links as page views after URL cleanup.
  38              // Currently required, if click should be tracked as goal.
  39              _gaq.push(["_trackPageview", '/outbound/' + this.href.replace(/^(https?|ftp|news|nntp|telnet|irc|ssh|sftp|webcal):\/\//i, '').split('/').join('--')]);
  40            }
  41            else {
  42              // External link clicked.
  43              _gaq.push(["_trackEvent", "Outbound links", "Click", this.href]);
  44            }
  45          }
  46        }
  47      });
  48    });
  49  });