function trackExternal() 
{
    for (var i=0; i<document.links.length; i++) 
    {
        if (document.links[i].className.indexOf("trackExternal") != -1) 
        {
            var subdir = document.body.id;
            var label = document.links[i].name||document.links[i].href;
            if (document.links[i].name.indexOf(".") != -1)
            {
                var tokens = document.links[i].name.split(".",2);
                subdir = tokens[0];
                label = tokens[1];
            }
            var url = "/lake/rd/"+subdir+"/"+label;
            document.links[i].onclick=new Function('pageTracker._trackPageview("'+url+'"); ');
        }
    }
}