function get_cookie ( cookie_name ) {
  var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );
  if ( results )
    return ( unescape ( results[2] ) );
  else
    return null;
}
if( document.referrer && self.location ) {
	var myDomain="xemico.com";
	if( ( document.referrer != "" ) && ( document.referrer.indexOf( myDomain ) == -1 ) && ( get_cookie("referrer") == null ) ) {
	    var expires = new Date ( 2020, 1, 1 );
	    var today = new Date ();
	    var todaystring=today.getUTCFullYear()+ "-" + eval("today.getUTCMonth()+1")+ "-" + today.getUTCDate() + " " + today.getUTCHours() + ":" + today.getUTCMinutes() + ":" + today.getUTCSeconds() ;
		document.cookie="referrer="+escape( document.referrer )+"; expires="+expires.toGMTString()+"; path=/; domain="+myDomain;
		document.cookie="location="+escape( self.location )+"; expires="+expires.toGMTString()+"; path=/; domain="+myDomain;
		document.cookie="refdate="+todaystring+"; expires="+expires.toGMTString()+"; path=/; domain="+myDomain;
	}
}