var IMG_PATH = "http://image.p4p.sogou.com/ppc/call_ico2.gif";

var SOGOU_PPC_REFFER = "";
if (window.parent != window.self){
  try{
      SOGOU_PPC_REFFER = parent.document.referrer;
      }catch(err) {
          SOGOU_PPC_REFFER = document.referrer;
      }
}else {
       SOGOU_PPC_REFFER = document.referrer;
}

function printPpc(){
	var ppcStr = "<a href='http://wb.brand.sogou.com/test/ppc/ppcserver.php?accid="+USER_DEFINE_ACCOUNT_ID+"&sogouRefer="+SOGOU_PPC_REFFER+"' target='_blank'><img src='";
	ppcStr += IMG_PATH;
	ppcStr +="' style='cursor:hand' border=0></a>"
	document.writeln(ppcStr);
}

printPpc();