var this_href=location.href + "";
this_href=escape(this_href.replace(/&/g, "^"));
var txt ='<img height=1 width=1 border=0 src="http://www.biz1.co.uk/track/trackme1.php?href=' + this_href + '&url=' + escape(document.referrer) +  '">'; 
document.write(txt);