cookie handler

cookie.js

var cookie = (function(){
	var ck = new Object();

	var sets = {};

	ck.init = function(){
		ck.parse();
	}

	function trim(str){
		if(!str) return '';
		return str.replace(/(^[\s\t]+)|([\s\t]+$)/g, '');
	}

	ck.parse = function(){
		document.cookie.split(';').map(function(item){
			var tmpArr = item.split('=');
			return {key: trim(tmpArr[0]), value: trim(tmpArr[1])};
		}).forEach(function(pair){
			sets[pair.key] = pair.value;
		})
	}

	ck.get = function(key){
		return sets[trim(key)];
	}

	ck.set = function(key, value){
		sets[trim(key)] = value;
		document.cookie = trim(key) + '=' + value;
	}

	ck.list = function(){
		return JSON.stringify(sets, null, 4);
	}

	return ck;
})()