var locationurl = String(document.location);
function smarttrack(reftime){
	var referrer;
	try{
		referrer = top.document.referrer;
	} catch(e){
		referrer = document.referrer;
	}
	var smart_img= new Image();
	smart_img.src='/plug/spider/track.asp?locationurl='+encodeURIComponent(locationurl)+'&referrer='+encodeURIComponent(referrer)+'&rnd='+Math.random();
	var smartimgtimeout=setTimeout('smarttrack('+reftime+');',reftime);
}
smarttrack(60000);