function doStat() {
var l=200;
var statStr=new String();
if (screen)
 {if (screen.width && screen.colorDepth) statStr+='&s='+screen.width+'x'+screen.height+'x'+screen.colorDepth;}
statStr+="&r=";
if(typeof Error != 'undefined') {
eval("try {if (top && top.document && top.document.referrer) {statStr+=escape(top.document.referrer.substring(0, l))} } catch(exception) {}");
} else if(top.document.referrer) {statStr+=escape(top.document.referrer.substring(0, l));}
return statStr;
}