function AddPersonToCookie(nPersonId)
{
	var sName = "personsIds";
	var sPersonsIds = "";    
	var arCookies = GetCookieByName(sName);

	if(arCookies.length > 0)
	 {
	  if(arCookies[0].sValue.indexOf(nPersonId, 0) != -1)
			return;
	  sPersonsIds = arCookies[0].sValue;
	 }

	sPersonsIds += nPersonId + "-";
	SetCookie(sName, sPersonsIds  + "; path=/");
}