//	This javascript tags file downloads and external links in Google Analytics.
//	You need to be using the Google Analytics New Tracking Code (ga.js) 
//	for this script to work.
//	To use, place this file on all pages just above the Google Analytics tracking code.
//	All outbound links and links to non-html files should now be automatically tracked.
//
//	This script has been provided by Goodwebpractices.com
//	Thanks to ShoreTel, MerryMan and Colm McBarron
//
//	www.goodwebpractices.com
//	VKI has made changes as indicated below.								
/*
if (document.getElementsByTagName) {
  // Initialize external link handlers
  var hrefs = document.getElementsByTagName("a");
  for (var l = 0; l < hrefs.length; l++) {
    // try {} catch{} block added by erikvold VKI
    try {
      //protocol, host, hostname, port, pathname, search, hash
      if (hrefs[l].protocol == "mailto:") {
        startListening(hrefs[l], "click", trackMailto);
      } else if (hrefs[l].hostname == location.host) {
        var path = hrefs[l].pathname + hrefs[l].search;
        var isDoc = path.match(/\.(?:doc|eps|jpg|png|svg|xls|ppt|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)($|\&|\?)/);
        if (isDoc) {
          startListening(hrefs[l], "click", trackExternalLinks);
        }
      } else if (!hrefs[l].href.match(/^javascript:/)) {
        startListening(hrefs[l], "click", trackExternalLinks);
      }
    }
    catch (e) {
      continue;
    }
  }
}

function startListening(obj, evnt, func) {
  if (obj.addEventListener) {
    obj.addEventListener(evnt, func, false);
  } else if (obj.attachEvent) {
    obj.attachEvent("on" + evnt, func);
  }
}

function trackMailto(evnt) {
  var href = (evnt.srcElement) ? evnt.srcElement.href : this.href;
  var mailto = "/mailto/" + href.substring(7);
  if (typeof (pageTracker) == "object") pageTracker._trackPageview(mailto);
}

function trackExternalLinks(evnt) {
  var e = (evnt.srcElement) ? evnt.srcElement : this;
  while (e.tagName != "A") {
    e = e.parentNode;
  }
  var lnk = (e.pathname.charAt(0) == "/") ? e.pathname : "/" + e.pathname;
  if (e.search && e.pathname.indexOf(e.search) == -1) lnk += e.search;
  if (e.hostname != location.host) lnk = "/external/" + e.hostname + lnk;
  //if (typeof (pageTracker) == "object") pageTracker._trackPageview(lnk);
  _gaq.push(['_trackEvent', 'Download', 'EXE/DMG', lnk]);
}
*/




if (typeof jQuery != 'undefined') {
  jQuery(document).ready(function ($) {
    var filetypes = /\.(zip|exe|pdf|doc*|xls*|ppt*|mp3)$/i;
    var baseHref = '';
    if (jQuery('base').attr('href') != undefined)
      baseHref = jQuery('base').attr('href');
    jQuery('a').each(function () {
      var href = jQuery(this).attr('href');
      if (href && (href.match(/^https?\:/i)) && (!href.match(document.domain))) {
        jQuery(this).click(function () {
          var extLink = href.replace(/^https?\:\/\//i, '');
          _gaq.push(['_trackEvent', 'External', 'Click', extLink]);
          if (jQuery(this).attr('target') != undefined && jQuery(this).attr('target').toLowerCase() != '_blank') {
            setTimeout(function () { location.href = href; }, 200);
            return false;
          }
        });
      }
      else if (href && href.match(/^mailto\:/i)) {
        jQuery(this).click(function () {
          var mailLink = href.replace(/^mailto\:/i, '');
          _gaq.push(['_trackEvent', 'Email', 'Click', mailLink]);
        });
      }
      else if (href && href.match(filetypes)) {
        jQuery(this).click(function () {
          var extension = (/[.]/.exec(href)) ? /[^.]+$/.exec(href) : undefined;
          var filePath = href;
          _gaq.push(['_trackEvent', 'Download', 'Click-' + extension, filePath]);
          if (jQuery(this).attr('target') != undefined && jQuery(this).attr('target').toLowerCase() != '_blank') {
            setTimeout(function () { location.href = baseHref + href; }, 200);
            return false;
          }
        });
      }
    });
  });
}