/**
* This file contains:
* 
* Cookie read/write plugin
* Base64 encode/decode plugin
* JSON encode/decode plugin
* URI encode/decode plugin
*/

/**
 * jQuery Cookie plugin                             
 *
 * Copyright (c) 2010 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */
jQuery.cookie = function (key, value, options) {

    // key and at least value given, set cookie...
    if (arguments.length > 1 && String(value) !== "[object Object]") {
        options = jQuery.extend({}, options);

        if (value === null || value === undefined) {
            options.expires = -1;
        }

        if (typeof options.expires === 'number') {
            var days = options.expires, t = options.expires = new Date();
            t.setDate(t.getDate() + days);
        }

        value = String(value);

        return (document.cookie = [
            encodeURIComponent(key), '=',
            options.raw ? value : encodeURIComponent(value),
            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
            options.path ? '; path=' + options.path : '',
            options.domain ? '; domain=' + options.domain : '',
            options.secure ? '; secure' : ''
        ].join(''));
    }

    // key and possibly options given, get cookie...
    options = value || {};
    var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
    return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
};

jQuery.base64 = {
 	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
 	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";
 
		for (var n = 0; n < string.length; n++) {
 
			var c = string.charCodeAt(n);
 
			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
 
		}
 
		return utftext;
	},
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;
 
		while ( i < utftext.length ) {
 
			c = utftext.charCodeAt(i);
 
			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
 
		}
 
		return string;
	},
  encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;
 
		input = this._utf8_encode(input);
 
		while (i < input.length) {
 
			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);
 
			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;
 
			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}
 
			output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
 
		}
 
		return output;
	},
  decode : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;
 
		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 
		while (i < input.length) {
 
			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));
 
			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;
 
			output = output + String.fromCharCode(chr1);
 
			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}
 
		}
 
		output = this._utf8_decode(output);
 
		return output;
 
	} 
};

jQuery.json = {
	useHasOwn : ({}.hasOwnProperty ? true : false),
	pad : function (n) {
		return n < 10 ? "0" + n : n;
	},
	m : {
		"\b": '\\b',
		"\t": '\\t',
		"\n": '\\n',
		"\f": '\\f',
		"\r": '\\r',
		'"' : '\\"',
		"\\": '\\\\'
	},
	encodeString : function (s){
		if (/["\\\x00-\x1f]/.test(s)) {
			return '"' + s.replace(/([\x00-\x1f\\"])/g, function (a, b) {
				var c = jQuery.json.m[b];
				if (c){
					return c;
				}
				c = b.charCodeAt();
				return "\\u00" + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
			}) + '"';
		}
		return '"' + s + '"';
	},
	encodeArray : function(o){
		var a = ["["], b, i, l = o.length, v;
		for (i = 0; i < l; i += 1) {
			v = o[i];
			switch (typeof v) {
				case "undefined":
				case "function":
				case "unknown":
					break;
				default:
					if (b) {
						a.push(',');
					}
					a.push(v === null ? "null" : this.encode(v));
					b = true;
					break;
			}
		}
		a.push("]");
		return a.join("");
	},
	encodeDate : function (o){
		return '"' + o.getFullYear() + "-" +
			pad(o.getMonth() + 1) + "-" +
			pad(o.getDate()) + "T" +
			pad(o.getHours()) + ":" +
			pad(o.getMinutes()) + ":" +
			pad(o.getSeconds()) + '"';
	},
	encode : function (o){
		if (typeof o == "undefined" || o === null){
			return "null";
		} else if(o instanceof Array){
			return this.encodeArray(o);
		} else if(o instanceof Date){
			return this.encodeDate(o);
		} else if(typeof o == "string"){
			return this.encodeString(o);
		} else if(typeof o == "number"){
			return isFinite(o) ? String(o) : "null";
		} else if(typeof o == "boolean"){
			return String(o);
		} else {
			var self = this;
      var a = ["{"], b, i, v;
			for (i in o) {
				if(!this.useHasOwn || o.hasOwnProperty(i)) {
					v = o[i];
					switch (typeof v) {
						case "undefined":
						case "function":
						case "unknown":
							break;
						default:
							if(b){
								a.push(',');
							}
							a.push(self.encode(i), ":",
							v === null ? "null" : self.encode(v));
							b = true;
							break;
					}
				}
			}
			a.push("}");
			return a.join("");
		}
	},
	decode : function(json){
		return eval("(" + json + ')');
	}
};

jQuery.uri = {
	encode : function(c){
		var o = '';
		var x = 0;
		c = c.toString();
		var r = /(^[a-zA-Z0-9_.]*)/;
  	while (x < c.length){
  		var m = r.exec(c.substr(x));
    	if (m != null && m.length > 1 && m[1] != ''){
    		o += m[1];
    		x += m[1].length;
    	} else {
    		if (c[x] == ' '){
    			o += '+';
				} else {
					var d = c.charCodeAt(x);
					var h = d.toString(16);
					o += '%' + (h.length < 2 ? '0' : '') + h.toUpperCase();
				}
    		x++;
    	}
    	
    }
    return o;
  },
	decode : function(s){
		var o = s;
		var binVal, t;
		var r = /(%[^%]{2})/;
	  while ((m = r.exec(o)) != null && m.length > 1 && m[1] != ''){
	  	b = parseInt(m[1].substr(1), 16);
	  	t = String.fromCharCode(b);
	  	o = o.replace(m[1], t);
	  }
	  return o;
	}
}