PLT_DisplayFormat = "%%S%%";
dt=new Date();
document.onreadystatechange=function() {
if (document.readyState=="complete") {

    PTL_Domain		= document.domain;
    PTL_Location 	= document.location.href;

	PLT_TimeLoggerFrame	= document.createElement('IFRAME');
	PLT_TimeLoggerFrame.setAttribute ( 'id', 'time_logger_frame');
	document.body.insertBefore(PLT_TimeLoggerFrame);

    PLT_DisplayFormat = PLT_DisplayFormat.replace(/%%S%%/g, ((new Date() - dt)/1000));
    PLT_TimeLoggerFrame.style.display	= 'none';
    PLT_TimeLoggerFrame.src 			= "/tours/page_load_time_logger.php?url=" + escape ( PTL_Location ) + "&loadtime=" +  PLT_DisplayFormat;
  }
}