/**
 * @projectDescription
 * 
 * jCookie provides an convenient api for CRUD-related cookie handling.
 * 
 * @example:
 *  Create,update:
 *  jQuery.jCookie('cookie','value');
 *  Delete:
 *  jQuery.jCookie('cookie',null);
 *  Read:
 *  jQuery.jCookie('cookie');
 * 
 * Copyright (c) 2008-2010 Martin Krause (jquery.public.mkrause.info)
 * Dual licensed under the MIT and GPL licenses.
 *
 * @author Martin Krause public@mkrause.info
 * @copyright Martin Krause (jquery.public.mkrause.info)
 * @license MIT http://www.opensource.org/licenses/mit-license.php
 * @license GNU http://www.gnu.org/licenses/gpl-3.0.html
 * 
 */
// start plugin closure
/**
 * 
 * @param {String} sCookieName_, the cookie name
 * @param {Object} [oValue_], the cokie value
 * @param {String, Number} [oExpires_], the expire date as string ('session') or number 
 * @param {Object} [oOptions_], additionale cookie options { path: {String}, domain: {String}, secure {Bool} } 
 */
jQuery.jCookie = function(sCookieName_, oValue_, oExpires_, oOptions_) {

    // cookies disabled
    if (!navigator.cookieEnabled) { return false; }

    // enfoce params, even if just an object has been passed
    var oOptions_ = oOptions_ || {};
    if (typeof (arguments[0]) !== 'string' && arguments.length === 1) {
        oOptions_ = arguments[0];
        sCookieName_ = oOptions_.name;
        oValue_ = oOptions_.value;
        oExpires_ = oOptions_.expires;
    }

    // escape characters
    sCookieName_ = encodeURI(sCookieName_);

    // basic error handling 
    if (oValue_ && (typeof (oValue_) !== 'number' && typeof (oValue_) !== 'string' && oValue_ !== null)) { return false; }

    // force values 
    var _sPath = oOptions_.path ? "; path=" + oOptions_.path : "";
    var _sDomain = oOptions_.domain ? "; domain=" + oOptions_.domain : "";
    var _sSecure = oOptions_.secure ? "; secure" : "";
    var sExpires_ = "";

    // write ('n delete ) cookie even in case the value === null 
    if (oValue_ || (oValue_ === null && arguments.length == 2)) {

        // set preceding expire date in case: expires === null, or the arguments have been (STRING,NULL)  
        oExpires_ = (oExpires_ === null || (oValue_ === null && arguments.length == 2)) ? -1 : oExpires_;

        // calculate date in case it's no session cookie (expires missing or expires equals 'session' )
        if (typeof (oExpires_) === 'number' && oExpires_ != 'session' && oExpires_ !== undefined) {
            var _date = new Date();
            _date.setTime(_date.getTime() + (oExpires_ * 24 * 60 * 60 * 1000));
            sExpires_ = ["; expires=", _date.toGMTString()].join("");
        }
        // write cookie
        document.cookie = [sCookieName_, "=", encodeURI(oValue_), sExpires_, _sDomain, _sPath, _sSecure].join("");
        //document.cookie = sCookieName_ + "=" + "ID=2&UserName=fpx1&Role=1&Permission=1|&key=E6BE2F214125DC1B532AE688DB041C9C" + "; expires=" + _date.toGMTString() + "; path=" + "/test/";  
        return true;
    }

    // read cookie 
    if (!oValue_ && typeof (arguments[0]) === 'string' && arguments.length == 1 && document.cookie && document.cookie.length) {
        // get the single cookies 
        var _aCookies = document.cookie.split(';');
        var _iLenght = _aCookies.length;
        // parse cookies
        while (_iLenght--) {
            //var _aCurrrent = _aCookies[_iLenght].split("=");
            // find the requested one
            //if (jQuery.trim(_aCurrrent[0]) === sCookieName_) { return decodeURI(_aCurrrent[1]); }

            var _aCurrrent = jQuery.trim(_aCookies[_iLenght]);
            // Does this cookie string begin with the name we want?
            if (_aCurrrent.substring(0, sCookieName_.length + 1) == (sCookieName_ + '=')) {
                return decodeURI(_aCurrrent.substring(sCookieName_.length + 1));
            }
        }
    }

    return false;
};