/* Copyright © OGMA Consulting Corp. */
/* $Id: cookie.js,v 1.2 2006/02/01 19:36:29 CVS_Angela Exp $ */

/* cookie.js
 *
 */

function getCookie(cookieName) {

  var result = "";

  var allCookies = document.cookie;
  var pos        = allCookies.indexOf(cookieName + "=");

  if (pos != -1) {

    var start = pos + cookieName.length + 1;
    var end   = allCookies.indexOf(";", start);

    if (end == -1) end = allCookies.length;

    result = allCookies.substring(start, end);
  }

  return result;
}


function setCookie(cookieName, cookieValue) {

  document.cookie = cookieName + "=" + cookieValue + ";path=/";
}


function addSessionId(sessionId) {

  var currentSessionIds = getCookie("sessionID");

  if (currentSessionIds.indexOf("|" + sessionId + "|") == -1) {

    currentSessionIds += "|" + sessionId + "|";

    setCookie("sessionID", currentSessionIds);
  }
}


function removeSessionId(sessionId) {

  var currentSessionIds = getCookie("sessionID");
  var pos               = currentSessionIds.indexOf("|" + sessionId + "|");

  if (pos > -1) {

    var before = currentSessionIds.substr(0, pos);
    var after  = currentSessionIds.substr(pos + sessionId.length + 2);

    setCookie("sessionID", before + after);
  }
}