/**  
 *  @author:    Danny Ng (http://www.dannytalk.com)  
 *  @date:      30/08/08  
 *  @updated:   26/09/08  
 *  @notes:     Free to use and distribute without altering this notice. Would appreciate a link back.  
 *  @usage:     Place the following code before the </body> tag and after <A href="http://www.dannytalk.com/tag/google/">google</A> analytics code,  
 *  
 *              <script type="text/javascript" src="<PATH-TO-SCRIPT>"></script>  
 *              <script type="text/javascript">  
 *                  dtalk_ga.applyVirtualExits();  
 *              </script>  
 */  
  
var dtalk_ga = {   
    applyVirtualExits: function() {   
        var trackPage = function(a)   
        {   
            var domain_name = document.location.toString().toLowerCase().split('/')[2];   
            var exit_domain = a.href.split('/')[2].toLowerCase();   
            if (domain_name.toLowerCase().indexOf(exit_domain) == -1)   
            {   
                if (typeof pageTracker != 'undefined')   
                    pageTracker._trackPageview('/exit/' + a.href);   
            }   
        };   
        var anchors = document.getElementsByTagName('a');   
        for (var i = 0; i < anchors.length; i++)   
        {   
            if (anchors[i].href && anchors[i].href != (document.location + '#'))   
            {   
                if (typeof anchors[i].onclick == 'undefined')   
                    anchors[i].onclick = function(e) {   
                        trackPage(this);   
                    };   
                else if (typeof anchors[i].onclick == 'function')   
                {   
                    var old_onclick = anchors[i].onclick;   
                    anchors[i].onclick = function(e) {   
                        old_onclick();   
                        trackPage(this);   
                    };   
                }   
            }   
        }   
    }   
};