var googleAnalytics = {
	fileDownloads : {
		/**
		 * @var string path google analytics special url
		 */
		path : '',
		/**
		 * starts the process
		 * @param string path google analytics special url
		 */
		init : function(path) {
			googleAnalytics.fileDownloads.path = path;
			$$('a').each(googleAnalytics.fileDownloads.filter);
		},
		/**
		 * identifies if this should attach the onclick event or not
		 * @param object e element preferibly an anchor with an href...
		 */
		filter : function(e) {
			var href = $(e).getProperty('href');
			if (!href) {
				return;
			}
			if (href.match(/\.(doc|pdf|xls|ppt|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)$/)) {
				googleAnalytics.fileDownloads.attach(e);
			}
		},
		/**
		 * attaches the onclick event to the element
		 * @param object e element that is being tracked
		 */
		attach : function(e) {
			$(e).addEvent('click',googleAnalytics.fileDownloads.click);
		},
		/**
		 * event triggered when clicking the object
		 * @param event e event that was triggered (the element clicked is on 'this')
		 */
		click : function(e) {
			if (googleAnalytics.fileDownloads.path == '') {
				return;
			}
			var record = '/' + googleAnalytics.fileDownloads.path + '/' + $(this).getProperty('href');
			record = record.replace(/\/{2,}/,'/');
			googleAnalytics.track(e,record);
		}
	},
	externalLinks : {
		/**
		 * @var string path google analytics special url
		 */
		path : '',
		/**
		 * starts the process
		 * @param string path google analytics special url
		 */
		init : function(path) {
			googleAnalytics.externalLinks.path = path;
			$$('a').each(googleAnalytics.externalLinks.filter);
		},
		/**
		 * identifies if this should attach the onclick event or not
		 * @param object e element preferibly an anchor with an href...
		 */
		filter : function(e) {
			var href = $(e).getProperty('href');
			if (!href) {
				return;
			}
			if (!href.match(/^http\:\/\//i) && !href.match(/^https\:\/\//i)) {
				return;
			}
			var hostProtocol = window.location.protocol + '//' + window.location.host;
			var hrefHost = href.substring(0, hostProtocol.length);
			if (hrefHost.toLowerCase() == hostProtocol.toLowerCase()) {
				return;
			}
			googleAnalytics.externalLinks.attach(e);
		},
		/**
		 * attaches the onclick event to the element
		 * @param object e element that is being tracked
		 */
		attach : function(e) {
			$(e).addEvent('click',googleAnalytics.externalLinks.click);
		},
		/**
		 * event triggered when clicking the object
		 * @param event e event that was triggered (the element clicked is on 'this')
		 */
		click : function(e) {
			if (googleAnalytics.externalLinks.path == '') {
				return;
			}
			var record = '/' + googleAnalytics.externalLinks.path + '/' + $(this).getProperty('href');
			googleAnalytics.track(e,record);
		}
	},
	
	/**
	 * records something against google analytics (if analytics is available, of course).
	 * @param event e event that was triggered (the element clicked is on 'this')
	 * @param string record the path that should be recorded. It will be recorded as is
	 */
	track : function(e,record) {
//to debug
//e.stop();
//alert(record);
//return true;
		try {
			if (!pageTracker) {
				return;
			}
		} catch(e) {
			return;
		}
		pageTracker._trackPageview(record);
	}
}