/**
* @fileoverview 核心文件，包含按需载入管理器和基础函数的封装
* @author yuyang <yuyangvi@gmail.com>
* @version 1.0
*/
(function () {
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        /**
        * Function 扩展
        */
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        * 使IE兼容数组的indexOf方法.
        * @memberOf Array
        * @returns 数字，表示元素在数组中的索引地址，如果不在数组中就返回-1
        * @type int
        */
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            * @description 将参数中的js文件和函数加入管理队列<br />
            * 参数可以是字符串或者函数本身
            * @exports require as Breeze.require
            * @params {String|Function} fun
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            * @description 当dom加载完成后执行
            * @params {Function} DOM加载完成后要执行的函数
            * @example B.ready(function(){
                                do some thing...
                                });
            */
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                    win.attachEvent('onload', fire);
 
                    if (win == win.top) { // not an iframe
                        function readyScroll() {
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            /**
            * Executes functions bound to ready event.
            */
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            * @description 浏览器判断<br/>
            * 可以判断浏览器的核心和javascript的版本号
            * 有ie,webkit,opera和gecko四种
            * 值为数字表示的版本号，如果不是该核心，值为0
            * @example Breeze.UA.ie
            */
            UA: function () {
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                    ie: 0,
                    gecko: 0,
                    webkit: 0,
                    opera: 0
                },
                                ua = navigator.userAgent,
                                m,
                                numberify = function (s) {
                                    var c = 0;
                                    return parseFloat(s.replace(/\./g, function () {
                                        return (c++ == 1) ? '' : '.';
                                    }));
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                    if (m && m[1]) {
                        o.webkit = numberify(m[1]);
                    }
 
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                    // @todo check Opera/8.01 (J2ME/MIDP; Opera Mini/2.0.4509/1316; fi; U; ssr)
                    m = ua.match(/Opera[\s\/]([^\s]*)/);
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                        if (m && m[1]) {
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                            m = ua.match(/Gecko\/([^\s]*)/);
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                                m = ua.match(/rv:([^\s\)]*)/);
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            /***
            * @description 用于属性合并
            * @param a 被加工的对象
            * @param b 将其参数的属性赋给第一个对象,
            * @param overWrite 确定是否对已经有的属性直接覆盖
            * @returns 加工后的对象
            */
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                }
                return a;
            },
            /***
            * @description 多对象覆盖
            * @param {Object} object 需要覆盖的对象
            * @return 加工后的对象
            */
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            /**
            * @description 将类数组转换为数组
            * @param {ArrayLike} array 类数组
            * @returns Array 加工后的数组
            */
            makeArray: function (o/*=====, results=====*/) {
                if (B.isArray(o)) return o;
                if (typeof o.length !== 'number' || B.isString(o) || B.isFunction(o)) {
                    return [o];
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                return Array.prototype.slice.call(o, 0);
                /*=====
                if ( results ) {
                results.push.apply( results, array);
                return results;
                }
                               
                return array;
                =====*/
            },
            /**
            * @description 将字符串左右两侧的空白去掉
            * @param {String} str 字符串
            * @return 加工后的字符串
            */
            trim: function (str) {
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                return '';
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            /**
            * @description 检查对象是否是函数
            * @param {Object} obj 任意对象
            * @returns Boolean
            */
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            /**
            * @description 检查对象是否为数组
            * @param {Object} obj任意对象
            * @returns Boolean
            */
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            /**
            * @description 检查对象是否为字符串
            * @param {Object} obj任意对象
            * @returns Boolean
            */
            isString: function (o) {
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            },
            /**
            * @description 设定缩写
            */
            shortcut: function (s) {
                word && (window[word] = undefined);
                window[word = s] = Breeze;
            },
            /**
            * @description 接受CSS
            * @param {String} url 地址
            */
            loadCSS: function (url, id) {
                var css = document.createElement('link');
                css.type = 'text/css';
                                css.rel = 'stylesheet';
                                css.href = url;
                                if (id){
                                        css.id = id;
                                }
                document.body.appendChild(css);
                                return css;
            }
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        * Set Shortcut
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        /**
        * @name Breeze.$
        * @function
        */
        var bindDom = function (B) {
            if (typeof Sizzle !== 'undefined') {//载入,整合sizzle;
                /**
                * @lends Breeze
                * @description XX函数
                */
                B.$$ = Sizzle;
                /**
                * @lends Breeze
                * @description XX函数
                */
                B.$ = function (selector, parentNode) {
                    var results = Sizzle(selector, parentNode);
                    return results.length ? results[0] : null;
                }
            } else {//不载入,整合querySelector
                B.$ = function (selector, parentNode) {
                    parentNode = parentNode || document;
                    return parentNode.querySelector(selector);
                };
                B.$$ = function (selector, parentNode) {
                    parentNode = parentNode || document;
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            B.require('sizzle', bindDom);
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        /*
        * 链式核心代码
        */
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            this[0] = this.nodes[0];
            this.length = this.nodes.length;
            //return this.nodes;
        };
        B.query = function (el) { return new _$(el); }
        B.extend = function (name, fn) {
            _$.method(name, fn);
            return this;
        };
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})();