function addLinkerEvents() 
{
	// this line determins what will be linked.
        var extLink = ["?ViewableID="];                  
        var as = document.getElementsByTagName("a");  
        for(var i=0; i<as.length; i++) 
        {
        	var tmp = as[i].getAttribute("onclick");
		if (tmp != null && tmp.indexOf('urchinTracker') > -1)
		{
			continue;
                }
                for (var j=0; j<extLink.length; j++) 
                {
                    if (as[i].href.indexOf(extLink[j]) != -1) 
                    {    
			as[i].onclick = new Function("urchinTracker(this.href);"); 
                        break; 
                    }
                }
        }
}