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