function filterElement(element){		
		var href=YAHOO.util.Dom.get(element,'href');
		href=href.toString();
		if(href.indexOf(document.domain)>-1)
			return false
		return true
}
function append_tracking(){			
	var urls=YAHOO.util.Dom.getElementsBy(filterElement,'a')
	for(var i=0;i<urls.length;i++){
		if(!YAHOO.util.Dom.hasClass(urls[i],"noAID")){			
			var newhref=YAHOO.util.Dom.get(urls[i],'href');
			newhref+='&AID=AFF000004309';
			YAHOO.util.Dom.setAttribute(urls[i],"href",newhref);
		}		
	}
}
YAHOO.util.Event.onDOMReady(function(){append_tracking()});