/*!
 * lhgcore Dialog Plugin v4.1.1
 * Date: 2012-02-14 14:07:00
 * http://code.google.com/p/lhgdialog/
 * Copyright 2009-2012 LiHuiGang
 */

(function ($, window, undefined) {

    var _ie = !!window.ActiveXObject,
        _ie6 
 
= _ie && !window.XMLHttpRequest,
        _noop = function () { },
        _count = 0,
        _rurl = /^url:/,
        _box, onKeyDown,
        _expando = 'JDG' + (new Date).getTime(),
        document = window.document,

        /*!
         * _path 獲取元件核心檔案lhgdialog.js所在的絕對路徑
         * _args 獲取lhgdialog.js檔案後的url引數組，如：lhgdialog.js?self=true&skin=aero中的?後面的內容
         
 
*/
        _args, _path = (function (script, i, me) {
            var l = script.length;

            for (; i < l; i++) {
                me = !!document.querySelector ?
                    script[i].src : script[i].getAttribute('src', 4);

                if (me.substr(me.lastIndexOf('/')).indexOf('lhgdialog') !== -1)
                    
 
break;
            }

            me = me.split('?'); _args = me[1];

            return me[0].substr(0, me[0].lastIndexOf('/') + 1);
        })(document.getElementsByTagName('script'), 0),

        /*!
         * 獲取url引數值函式
         * @param  {String}
         * @return {String||null}
         * @demo lhgdialog.js?skin=aero | _getArgs('skin') => 'aero'
         */
        _getArgs = function (name) {
            if (_args) {
                var p = _args.split('&'), i = 0, l = p.length, a;
                for (; i < l; i++) {
                    a = p[i].split('=');
                    if (name === a[0]) return a[1];
                }
            }
            return null;
        },

        /*! 取面板樣式名，預設為 default */
        _skin = _getArgs('skin') || 'default',

        /*! 獲取 lhgdialog 可跨級呼叫的最高層的 window 物件和 document 物件 */
        _doc, _top = (function (w) {
            try {
                _doc = w['top'].document;  // 跨域|無許可權
                _doc.getElementsByTagName; // chrome 瀏覽器本地安全限制
            } catch (e) {
                _doc = w.document; return w;
            }

            // 如果指定引數self為true則不跨框架彈出，或為框架集則無法顯示第三方元素
            if (_getArgs('self') === 'true' ||
                _doc.getElementsByTagName('frameset').length > 0) {
                _doc = w.document; return w;
            }

            return w['top'];
        })(window),

        _root = _doc.documentElement, _$doc = $(_doc),
        _$top = $(_top), _$html = $(_doc.getElementsByTagName('html')[0]);

    // 不支援怪異模式，請用主流的XHTML1.0或者HTML5的DOCTYPE申明
    if (_doc.compatMode === 'BackCompat') {
        alert('\u9519\u8BEF: \u9875\u9762\u6587\u6863\u7C7B\u578B(DOCTYPE)\u672A\u58F0\u660E!');
        return;
    }

    /*! 開啟IE6 CSS背景圖片快取 */
    try {
        _doc.execCommand('BackgroundImageCache', false, true);
    } catch (e) { };

    /*! 在最頂層頁面新增樣式檔案 */
    (function (style) {
        if (!style) {
            var head = _doc.getElementsByTagName('head')[0],
                link = _doc.createElement('link');

            link.href = _path + 'skins/' + _skin + '.css';
            link.rel = 'stylesheet';
            link.id = 'lhgdglink';
            head.insertBefore(link, head.firstChild);
        }
    })(_doc.getElementById('lhgdglink'));

    /*-----------------------------------------------------------------------------------------*/

    /*!
     * lhgdialog 核心程式碼部分
     */
    var lhgdialog = function (config, ok, cancel) {
        config = config || {};

        if (typeof config === 'string')
            config = { content: config };

        var api, setting = lhgdialog.setting;

        // 合併預設配置
        for (var i in setting) {
            if (config[i] === undefined) config[i] = setting[i];
        };

        config.id = config.id || _expando + _count;

        // 如果定義了id引數則返回存在此id的視窗物件
        api = lhgdialog.list[config.id];
        if (api) return api.zindex().focus();

        // 按鈕佇列
        config.button = config.button || [];

        config.ok = ok || config.ok;
        config.cancel = cancel || config.cancel;

        config.ok && config.button.push({
            name: config.okVal,
            callback: config.ok,
            focus: true
        });

        config.cancel && config.button.push({
            name: config.cancelVal,
            callback: config.cancel
        });

        // zIndex全域性配置
        lhgdialog.setting.zIndex = config.zIndex;

        _count++;

        return lhgdialog.list[config.id] = _box ?
            _box._init(config) : new lhgdialog.fn._init(config);
    };

    lhgdialog.fn = lhgdialog.prototype =
        {
            constructor: lhgdialog,

            _init: function (config) {
                var that = this, DOM,
                    txt = config.content,
                    isIfr = _rurl.test(txt),
                    icon = config.icon;

                that.config = config;
                that.DOM = DOM = that.DOM || that._getDOM();

                // 定義屬性opener為引當前載入頁面的window物件
                that.opener = window;

                // 假如提示性圖示為真預設不顯示最小化和最大化按鈕
                if (icon && !isIfr) {
                    config.min = false;
                    config.max = false;

                    DOM.icon[0].style.display = '';
                    DOM.icon_bg[0].src = config.path + 'skins/icons/' + icon;
                }
                else
                    DOM.icon[0].style.display = 'none';

                DOM.wrap[0].style.display = 'block';
                DOM.wrap.addClass(config.skin); // 多面板共存
                DOM.rb[0].style.cursor = config.resize ? 'se-resize' : 'auto';
                DOM.title[0].style.cursor = config.drag ? 'move' : 'auto';
                DOM.max[0].style.display = config.max ? 'inline-block' : 'none';
                DOM.min[0].style.display = config.min ? 'inline-block' : 'none';
                DOM.close[0].style.display = config.cancel === false ? 'none' : 'inline-block'; //當cancel引數為false時隱藏關閉按鈕
                DOM.content[0].style.padding = config.padding;

                that.title(config.title)
                    .content(txt, true, isIfr)
                    .button(config.button)
                    .size(config.width, config.height)
                    .position(config.left, config.top)
                    .time(config.time)
                [config.show ? 'show' : 'hide'](true).zindex().focus();

                config.lock && that.lock();

                that._addEvent();
                that._ie6PngFix();

                _box = null;

                // 假如載入的是單獨頁面的內容頁config.init函式會在內容頁載入完成後執行，這裡就不執行了
                if (!isIfr && config.init)
                    config.init.call(that, window);

                return that;
            },

            /**
             * 設定標題
             * @param    {String, Boolean}    標題內容. 為false則隱藏標題欄
             * @return    {this}    如果無引數則返回物件本身
             */
            title: function (text) {
                if (text === undefined) return this;

                var DOM = this.DOM,
                    border = DOM.border,
                    title = DOM.title[0],
                    className = 'ui_state_tips';

                if (text === false) {
                    title.style.display = 'none';
                    title.innerHTML = '';
                    border.addClass(className);
                }
                else {
                    title.style.display = '';
                    title.innerHTML = text;
                    border.removeClass(className);
                };

                return this;
            },

            /*!
             * 設定內容
             * @param    {String}    內容 (如果內容前3個字元為‘url:’就載入單獨頁面的內容頁)
             * @param   {Boolean}   是否為後增加的內容
             * @param   {Boolean}   是否使用iframe方式載入內容頁
             * @return    {this}        如果無引數則返回物件本身
             */
            content: function (msg, add, frm) {
                if (msg === undefined) return this;

                var that = this, DOM = that.DOM,
                    wrap = DOM.wrap[0],
                    width = wrap.offsetWidth,
                    height = wrap.offsetHeight,
                    left = parseInt(wrap.style.left),
                    top = parseInt(wrap.style.top),
                    cssWidth = wrap.style.width,
                    $content = DOM.content,
                    loading = lhgdialog.setting.content;

                // 假如內容中前3個字元為'url:'就載入相對路徑的單獨頁面的內容頁
                if (frm) {
                    $content[0].innerHTML = loading;
                    that._iframe(msg.split('url:')[1]);
                }
                else
                    $content.html(msg);

                // 新增內容後調整位置
                if (!add) {
                    width = wrap.offsetWidth - width;
                    height = wrap.offsetHeight - height;
                    left = left - width / 2;
                    top = top - height / 2;
                    wrap.style.left = Math.max(left, 0) + 'px';
                    wrap.style.top = Math.max(top, 0) + 'px';

                    if (cssWidth && cssWidth !== 'auto')
                        wrap.style.width = wrap.offsetWidth + 'px';

                    that._autoPositionType();
                }

                that._ie6SelectFix();

                return that;
            },

            /**
             * 自定義按鈕
             * @example
                button({
                    name: 'login',
                    callback: function(){},
                    disabled: false,
                    focus: true
                }, .., ..)
             */
            button: function () {
                var that = this, ags = arguments,
                    buttons = that.DOM.buttons[0],
                    focusButton = 'ui_state_highlight',
                    listeners = that._listeners = that._listeners || {},
                    list = $.isArray(ags[0]) ? ags[0] : [].slice.call(ags);

                $.each(list, function (i, obj) {
                    var name = obj.name,
                        isNewButton = !listeners[name],
                        button = !isNewButton ?
                            listeners[name].elem :
                            _doc.createElement('input');

                    if (!listeners[name]) listeners[name] = {};
                    if (obj.callback) listeners[name].callback = obj.callback;

                    if (obj.focus) {
                        that._focus && that._focus.removeClass(focusButton);
                        that._focus = $(button).addClass(focusButton);
                        that.focus();
                    }

                    button[_expando + 'callback'] = name;
                    button.disabled = !!obj.disabled;

                    if (isNewButton) {
                        button.type = 'button';
                        button.value = name;
                        listeners[name].elem = button;
                        buttons.appendChild(button);
                    }
                });

                buttons.style.display = list.length ? '' : 'none';
                that._ie6SelectFix();

                return that;
            },

            /**
             *    尺寸
             *    @param    {Number, String}    寬度
             *    @param    {Number, String}    高度
             */
            size: function (width, height) {
                var that = this, DOM = that.DOM,
                    wrap = DOM.wrap[0],
                    wrapStyle = wrap.style,
                    style = DOM.main[0].style;

                if (width) {
                    wrapStyle.width = 'auto';

                    if (typeof width === 'number')
                        style.width = width + 'px';
                    else if (typeof width === 'string')
                        style.width = width;

                    if (width !== 'auto') // 防止未定義寬度的表格遇到瀏覽器右邊邊界伸縮
                        wrapStyle.width = wrap.offsetWidth + 'px';
                }

                if (height) {
                    if (typeof height === 'number')
                        style.height = height + 'px';
                    else if (typeof height === 'string')
                        style.height = height;
                };

                that._ie6SelectFix();

                return that;
            },

            /**
             * 位置(相對於可視區域)
             * @param    {Number, String}
             * @param    {Number, String}
             */
            position: function (left, top) {
                var that = this,
                    config = that.config,
                    wrap = that.DOM.wrap[0],
                    isFixed = _ie6 ? false : config.fixed,
                    ie6Fixed = _ie6 && config.fixed,
                    docLeft = _$doc.scrollLeft(),
                    docTop = _$doc.scrollTop(),
                    dl = isFixed ? 0 : docLeft,
                    dt = isFixed ? 0 : docTop,
                    ww = _$top.width(),
                    wh = _$top.height(),
                    ow = wrap.offsetWidth,
                    oh = wrap.offsetHeight,
                    style = wrap.style;

                if (left || left === 0) {
                    that._left = left.toString().indexOf('%') !== -1 ? left : null;
                    left = that._toNumber(left, ww - ow);

                    if (typeof left === 'number') {
                        left = ie6Fixed ? (left += docLeft) : left + dl;
                        style.left = Math.max(left, dl) + 'px';
                    }
                    else if (typeof left === 'string')
                        style.left = left;
                }

                if (top || top === 0) {
                    that._top = top.toString().indexOf('%') !== -1 ? top : null;
                    top = that._toNumber(top, wh - oh);

                    if (typeof top === 'number') {
                        top = ie6Fixed ? (top += docTop) : top + dt;
                        style.top = Math.max(top, dt) + 'px';
                    }
                    else if (typeof top === 'string')
                        style.top = top;
                }

                if (left !== undefined && top !== undefined)
                    that._autoPositionType();

                return that;
            },

            /*! 顯示對話方塊 */
            show: function (args) {
                this.DOM.wrap[0].style.visibility = 'visible';
                if (!args && this._lock)
                    $('#ldg_lockmask', _doc)[0].style.display = '';
                return this;
            },

            /*! 隱藏對話方塊 */
            hide: function (args) {
                this.DOM.wrap[0].style.visibility = 'hidden';
                if (!args && this._lock)
                    $('#ldg_lockmask', _doc)[0].style.display = 'none';
                return this;
            },

            /*! 關閉對話方塊 */
            close: function () {
                var that = this, DOM = that.DOM,
                    wrap = DOM.wrap,
                    list = lhgdialog.list,
                    fn = that.config.close;

                that.time();

                // 當使用iframe方式載入內容頁時的處理程式碼
                if (that.iframe) {
                    if (typeof fn === 'function' && fn.call(that, that.iframe.contentWindow, window) === false)
                        return that;

                    // 重要！需要重置iframe地址，否則下次出現的對話方塊在IE6、7無法聚焦input
                    // IE刪除iframe後，iframe仍然會留在記憶體中出現上述問題，置換src是最容易解決的方法
                    $(that.iframe).unbind('load', that._fmLoad).attr('src', 'about:blank').remove();

                    DOM.content.removeClass('ui_state_full');
                    if (that._frmTimer) clearTimeout(that._frmTimer);
                }
                else {
                    if (typeof fn === 'function' && fn.call(that, window) === false)
                        return that;
                }

                that.unlock();

                if (that._minState) {
                    DOM.main[0].style.display = '';
                    DOM.buttons[0].style.display = '';
                    DOM.dialog[0].style.width = '';
                }

                if (that._maxState) {
                    _$html.removeClass('ui_lock_scroll');
                    DOM.res[0].style.display = 'none';
                }

                // 置空內容
                wrap[0].className = DOM.wrap[0].style.cssText = '';
                wrap[0].style.display = 'none';
                DOM.border.removeClass('ui_state_focus');
                DOM.title[0].innerHTML = '';
                DOM.content.html('');
                DOM.buttons[0].innerHTML = '';

                if (lhgdialog.focus === that) lhgdialog.focus = null;

                delete list[that.config.id];
                that._removeEvent();
                that.hide(true)._setAbsolute();

                // 清空除this.DOM之外臨時物件，恢復到初始狀態，以便使用單例模式
                for (var i in that) {
                    if (that.hasOwnProperty(i) && i !== 'DOM') delete that[i];
                };

                // 移除HTMLElement或重用
                _box ? wrap.remove() : _box = that;

                return that;
            },

            /*!
             * 定時關閉
             * @param    {Number}    單位為秒, 無引數則停止計時器
             * @param   {Function}  關閉視窗前執行的回撥函式
             */
            time: function (second, callback) {
                var that = this,
                    cancel = that.config.cancelVal,
                    timer = that._timer;

                timer && clearTimeout(timer);
                if (callback) callback.call(that);

                if (second) {
                    that._timer = setTimeout(function () {
                        that._click(cancel);
                    }, 1000 * second);
                }

                return that;
            },

            /**
             * 重新整理或跳轉指定頁面
             * @param    {Object, 指定頁面的window物件}
             * @param    {String, 要跳轉到的頁面地址}
             */
            reload: function (win, url) {
                win = win || window;

                try {
                    win.location.href = url ? url : win.location.href;
                }
                catch (e) { // 跨域
                    url = this.iframe.src;
                    $(this.iframe).attr('src', url);
                };

                return this;
            },

            /*! 置頂對話方塊 */
            zindex: function () {
                var that = this, DOM = that.DOM,
                    load = that._load,
                    top = lhgdialog.focus,
                    index = lhgdialog.setting.zIndex++;

                // 設定疊加高度
                DOM.wrap[0].style.zIndex = index;

                // 設定最高層的樣式
                top && top.DOM.border.removeClass('ui_state_focus');
                lhgdialog.focus = that;
                DOM.border.addClass('ui_state_focus');

                // 擴充套件視窗置頂功能，只用在iframe方式載入內容
                // 或跨域載入內容頁時點視窗內容主體部分置頂視窗
                if (load && load.style.zIndex)
                    load.style.display = 'none';
                if (top && top !== that && top.iframe)
                    top._load.style.display = '';

                return that;
            },

            /*! 設定焦點 */
            focus: function () {
                try {
                    elemFocus = this._focus && this._focus[0] || this.DOM.close[0];
                    elemFocus && elemFocus.focus();
                } catch (e) { };

                return this;
            },

            /*! 鎖屏 */
            lock: function () {
                var that = this, frm,
                    index = lhgdialog.setting.zIndex - 1,
                    config = that.config,
                    mask = $('#ldg_lockmask', _doc)[0],
                    style = mask ? mask.style : '',
                    positionType = _ie6 ? 'absolute' : 'fixed';

                if (!mask) {
                    frm = '<iframe src="about:blank" style="width:100%;height:100%;position:absolute;' +
                        'top:0;left:0;z-index:-1;filter:alpha(opacity=0)"></iframe>';

                    mask = _doc.createElement('div');
                    mask.id = 'ldg_lockmask';
                    mask.style.cssText = 'position:' + positionType + ';left:0;top:0;width:100%;height:100%;overflow:hidden;background:' + config.background + ';';

                    $(mask).css({ opacity: config.opacity });

                    style = mask.style;
                    if (_ie6) mask.innerHTML = frm;

                    _doc.body.appendChild(mask);
                }

                if (positionType === 'absolute') {
                    style.width = _$top.width();
                    style.height = _$top.height();
                    style.top = _$doc.scrollTop();
                    style.left = _$doc.scrollLeft();

                    that._setFixed(mask);
                }

                style.zIndex = index;
                style.display = '';

                that.zindex();
                that.DOM.border.addClass('ui_state_lock');

                that._lock = true;

                return that;
            },

            /*! 解除鎖屏 */
            unlock: function () {
                var that = this,
                    config = that.config,
                    mask = $('#ldg_lockmask', _doc)[0];

                if (mask && that._lock) {
                    // 無限級鎖屏
                    if (config.parent && config.parent._lock) {
                        var index = config.parent.DOM.wrap[0].style.zIndex;
                        mask.style.zIndex = parseInt(index, 10) - 1;
                    }
                    else
                        mask.style.display = 'none';

                    that.DOM.border.removeClass('ui_state_lock');
                }

                return that;
            },

            /*! 最大化視窗 */
            max: function () {
                if (!this.config.max) return this;

                var that = this, maxSize,
                    DOM = that.DOM,
                    wrapStyle = DOM.wrap[0].style,
                    mainStyle = DOM.main[0].style,
                    rbStyle = DOM.rb[0].style,
                    titleStyle = DOM.title[0].style,
                    config = that.config,
                    top = _$doc.scrollTop(),
                    left = _$doc.scrollLeft();

                if (!that._maxState) {

                    _$html.addClass('ui_lock_scroll');

                    if (that._minState)
                        that.min();

                    // 儲存最大化視窗前的狀態
                    that._or = {
                        t: wrapStyle.top,
                        l: wrapStyle.left,
                        w: mainStyle.width,
                        h: mainStyle.height,
                        d: config.drag,
                        r: config.resize,
                        rc: rbStyle.cursor,
                        tc: titleStyle.cursor
                    };

                    wrapStyle.top = top + 'px';
                    wrapStyle.left = left + 'px';

                    maxSize = that._maxSize();
                    that.size(maxSize.w, maxSize.h)._setAbsolute();

                    config.drag = false;
                    config.resize = false;
                    rbStyle.cursor = 'auto';
                    titleStyle.cursor = 'auto';

                    DOM.max[0].style.display = 'none';
                    DOM.res[0].style.display = 'inline-block';

                    that._maxState = true;
                }
                else {
                    _$html.removeClass('ui_lock_scroll');

                    wrapStyle.top = that._or.t;
                    wrapStyle.left = that._or.l;
                    that.size(that._or.w, that._or.h)._autoPositionType();
                    config.drag = that._or.d;
                    config.resize = that._or.r;
                    rbStyle.cursor = that._or.rc;
                    titleStyle.cursor = that._or.tc;

                    DOM.res[0].style.display = 'none';
                    DOM.max[0].style.display = 'inline-block';

                    delete that._or;

                    that._maxState = false;
                }

                return that;
            },

            /*! 計算最大化視窗時視窗的尺寸 */
            _maxSize: function () {
                var that = this, DOM = that.DOM,
                    wrap = DOM.wrap[0],
                    main = DOM.main[0],
                    maxWidth, maxHeight;

                maxWidth = _$top.width() - wrap.offsetWidth + main.offsetWidth;
                maxHeight = _$top.height() - wrap.offsetHeight + main.offsetHeight;

                return { w: maxWidth, h: maxHeight };
            },

            /*! 最小化視窗 */
            min: function () {
                if (!this.config.min) return this;

                var that = this,
                    DOM = that.DOM,
                    main = DOM.main[0].style,
                    buttons = DOM.buttons[0].style,
                    dialog = DOM.dialog[0].style,
                    rb = DOM.rb[0].style.cursor,
                    resize = that.config.resize;

                if (!that._minState) {
                    if (that._maxState)
                        that.max();

                    that._minRz = { rzs: resize, btn: buttons.display };
                    main.display = 'none';
                    buttons.display = 'none';
                    dialog.width = main.width;
                    rb.cursor = 'auto';
                    resize = false;

                    that._minState = true;
                }
                else {
                    main.display = '';
                    buttons.display = that._minRz.btn;
                    dialog.width = '';
                    resize = that._minRz;
                    rb.cursor = that._minRz.rzs ? 'se-resize' : 'auto';

                    delete that._minRz;

                    that._minState = false;
                }

                that._ie6SelectFix();

                return that;
            },

            /*!
             * 獲取指定id的視窗物件或視窗中iframe載入的內容頁的window物件
             * @param {String} 指定的id
             * @param {String} 是否返回的為指定id的視窗物件
             *        用數字1來表示真，如果不寫或寫其它為false
             * @return {Object|null}
             */
            get: function (id, object) {
                if (lhgdialog.list[id]) {
                    if (object === 1)
                        return lhgdialog.list[id];
                    else
                        return lhgdialog.list[id].iwin || null;
                }

                return null;
            },

            /*!
             * 設定iframe方式載入內容頁
             */
            _iframe: function (url) {
                var that = this, iframe, $iframe, iwin, $idoc, $ibody, iWidth, iHeight,
                    $content = that.DOM.content,
                    config = that.config,
                    loading = that._load = $('.ui_loading', $content[0])[0],
                    initCss = 'position:absolute;left:-9999em;border:none 0;background:transparent',
                    loadCss = 'width:100%;height:100%;border:none 0;';

                // 是否允許快取. 預設true
                if (config.cache === false) {
                    var ts = (new Date).getTime(),
                        ret = url.replace(/([?&])_=[^&]*/, '$1_=' + ts);
                    url = ret + ((ret === url) ? (/\?/.test(url) ? '&' : '?') + '_=' + ts : '');
                }

                iframe = that.iframe = _doc.createElement('iframe');
                iframe.name = config.id;
                iframe.style.cssText = initCss;
                iframe.setAttribute('frameborder', 0, 0);

                $iframe = $(iframe);
                $content[0].appendChild(iframe);

                // 延遲載入iframe的src屬性，IE6下不延遲載入會出現載入進度條的BUG
                that._frmTimer = setTimeout(function () {
                    $iframe.attr('src', url);
                }, 1);

                // iframe中頁面載入完成後執行的函式
                var load = that._fmLoad = function () {
                    $content.addClass('ui_state_full');

                    // 增強視窗置頂功能，iframe方式載入內容或跨域載入內容頁時點視窗內容部分置頂視窗
                    // 通過使用重置loading層來優雅的完成此功能，在focus方法中有此功能的相關程式碼
                    var DOM = that.DOM, ltSize,
                        lt = DOM.lt[0].offsetHeight,
                        main = DOM.main[0].style;

                    loading.style.cssText = 'display:none;position:absolute;background:#FFF;opacity:0;' +
                        'filter:alpha(opacity=0);z-index:1;width:' + main.width + ';height:' + main.height + ';';
                    // 此部分程式碼結束，在拖動改變大小的_dragEvent.onmove方法中還有此功能的相關程式碼

                    try {
                        iwin = that.iwin = iframe.contentWindow; // 定義視窗物件iwin屬性為內容頁的window物件
                        $idoc = $(iwin.document);
                        $ibody = $(iwin.document.body);
                    } catch (e) {// 跨域
                        iframe.style.cssText = loadCss;
                        return;
                    }
                    // 獲取iframe內部尺寸
                    iWidth = config.width === 'auto'
                        ? $idoc.width() + (_ie6 ? 0 : parseInt($ibody.css('marginLeft')))
                        : config.width;

                    iHeight = config.height === 'auto'
                        ? $idoc.height() : config.height;

                    // 適應iframe尺寸
                    setTimeout(function () {
                        iframe.style.cssText = loadCss;
                    }, 0);// setTimeout: 防止IE6~7對話方塊樣式渲染異常

                    // 視窗最大化時這裡不用再計算視窗的尺寸和位置了，如果再計算視窗會出現錯位
                    if (!that._maxState) {
                        that.size(iWidth, iHeight)
                            .position(config.left, config.top);
                    }

                    // 非跨域時還要對loading層重設大小，要不寬和度都為'auto'
                    loading.style.width = main.width;
                    loading.style.height = main.height;

                    config.init && config.init.call(that, iwin, _top);
                };

                // 繫結iframe元素api屬性為視窗自身物件，在內容頁中此屬性很重要
                that.iframe.api = that;
                $iframe.bind('load', load);
            },

            /*! 獲取視窗元素 */
            _getDOM: function () {
                var wrap = _doc.createElement('div'),
                    body = _doc.body;

                wrap.style.cssText = 'position:absolute;visibility:hidden;';
                wrap.innerHTML = lhgdialog.templates;
                body.insertBefore(wrap, body.firstChild);

                var name, i = 0,
                    DOM = { wrap: $(wrap) },
                    els = wrap.getElementsByTagName('*'),
                    len = els.length;

                for (; i < len; i++) {
                    name = els[i].className.split('ui_')[1];
                    if (name) DOM[name] = $(els[i]);
                };

                return DOM;
            },

            /*!
             * px與%單位轉換成數值 (百分比單位按照最大值換算)
             * 其他的單位返回原值
             */
            _toNumber: function (thisValue, maxValue) {
                if (!thisValue && thisValue !== 0 || typeof thisValue === 'number')
                    return thisValue;

                if (thisValue.indexOf('%') !== -1)
                    thisValue = parseInt(maxValue * thisValue.split('%')[0] / 100);

                return thisValue;
            },

            /*! 讓IE6 CSS支援PNG背景 */
            _ie6PngFix: _ie6 ? function () {
                var i = 0, elem, png, pngPath, runtimeStyle,
                    path = lhgdialog.setting.path + '/skins/',
                    list = this.DOM.wrap[0].getElementsByTagName('*');

                for (; i < list.length; i++) {
                    elem = list[i];
                    png = elem.currentStyle['png'];
                    if (png) {
                        pngPath = path + png;
                        runtimeStyle = elem.runtimeStyle;
                        runtimeStyle.backgroundImage = 'none';
                        runtimeStyle.filter = "progid:DXImageTransform.Microsoft." +
                            "AlphaImageLoader(src='" + pngPath + "',sizingMethod='scale')";
                    };
                }
            } : _noop,

            /*! 強制覆蓋IE6下拉控制元件 */
            _ie6SelectFix: _ie6 ? function () {
                var $wrap = this.DOM.wrap,
                    wrap = $wrap[0],
                    expando = _expando + 'iframeMask',
                    iframe = $wrap[expando],
                    width = wrap.offsetWidth,
                    height = wrap.offsetHeight;

                width = width + 'px';
                height = height + 'px';
                if (iframe) {
                    iframe.style.width = width;
                    iframe.style.height = height;
                } else {
                    iframe = wrap.appendChild(_doc.createElement('iframe'));
                    $wrap[expando] = iframe;
                    iframe.src = 'about:blank';
                    iframe.style.cssText = 'position:absolute;z-index:-1;left:0;top:0;'
                        + 'filter:alpha(opacity=0);width:' + width + ';height:' + height;
                }
            } : _noop,

            /*! 自動切換定位型別 */
            _autoPositionType: function () {
                this[this.config.fixed ? '_setFixed' : '_setAbsolute']();
            },

            /*! 設定靜止定位
             * IE6 Fixed @see: http://www.planeart.cn/?p=877
             */
            _setFixed: function (el) {
                var style = el ? el.style : this.DOM.wrap[0].style;

                if (_ie6) {
                    var sLeft = _$doc.scrollLeft(),
                        sTop = _$doc.scrollTop(),
                        left = parseInt(style.left) - sLeft,
                        top = parseInt(style.top) - sTop,
                        txt = 'this.ownerDocument.documentElement';

                    this._setAbsolute();

                    style.setExpression('left', txt + '.scrollLeft +' + left);
                    style.setExpression('top', txt + '.scrollTop +' + top);
                }
                else
                    style.position = 'fixed';
            },

            /*! 設定絕對定位 */
            _setAbsolute: function () {
                var style = this.DOM.wrap[0].style;

                if (_ie6) {
                    style.removeExpression('left');
                    style.removeExpression('top');
                }

                style.position = 'absolute';
            },

            /*! 按鈕回撥函式觸發 */
            _click: function (name) {
                var that = this,
                    fn = that._listeners[name] && that._listeners[name].callback;
                return typeof fn !== 'function' || fn.call(that, window) !== false ?
                    that.close() : that;
            },

            /*! 重置位置與尺寸 */
            _reset: function (test) {
                var newSize,
                    that = this,
                    tw = _$top.width(),
                    tt = _$top.height(),
                    oldSize = that._winSize || tw * tt,
                    oldWidth = that._lockDocW || tw,
                    left = that._left,
                    top = that._top;

                if (test) {
                    //IE6下遮罩大小改變
                    if (that._lock && _ie6)
                        $('#ldg_lockmask', _doc).css({ width: tw + 'px', height: tt + 'px' });

                    newWidth = that._lockDocW = tw;
                    //IE6~7 window.onresize bug
                    newSize = that._winSize = tw * tt;
                    if (oldSize === newSize) return;
                };

                if (that._maxState) {
                    var size = that._maxSize();
                    that.size(size.w, size.h);
                }

                //IE6~8會出現最大化還原後窗口重新定位，鎖定滾動條在IE下就會觸發resize事件BUG 
                if (test && Math.abs(oldWidth - newWidth) === 17) return;

                if (left || top)
                    that.position(left, top);
            },

            /*! 事件代理 */
            _addEvent: function () {
                var resizeTimer,
                    that = this,
                    config = that.config,
                    DOM = that.DOM;

                // 視窗調節事件
                that._winResize = function () {
                    resizeTimer && clearTimeout(resizeTimer);
                    resizeTimer = setTimeout(function () {
                        that._reset(_ie);
                    }, 140);
                };
                _$top.bind('resize', that._winResize);

                // 監聽點選
                DOM.wrap.bind('click', function (event) {
                    var target = event.target, callbackID;

                    if (target.disabled) return false; // IE BUG

                    if (target === DOM.close[0]) {
                        that._click(config.cancelVal);
                        return false;
                    }
                    else if (target === DOM.max[0] || target === DOM.res[0] || target === DOM.max_b[0]
                        || target === DOM.res_b[0] || target === DOM.res_t[0]) {
                        that.max();
                        return false;
                    }
                    else if (target === DOM.min[0] || target === DOM.min_b[0]) {
                        that.min();
                        return false;
                    }
                    else {
                        callbackID = target[_expando + 'callback'];
                        callbackID && that._click(callbackID);
                    }
                }).bind('mousedown', function (event) {
                    that.zindex();

                    var target = event.target;

                    if (config.drag !== false && target === DOM.title[0]
                        || config.resize !== false && target === DOM.rb[0]) {
                        _use(event);
                        return false;
                    }
                });

                // 雙擊標題欄最大化還視窗事件
                if (config.max)
                    DOM.title.bind('dblclick', function () { that.max(); return false; });
            },

            /*!  解除安裝事件代理 */
            _removeEvent: function () {
                var that = this,
                    DOM = that.DOM;

                DOM.wrap.unbind();
                DOM.title.unbind();
                _$top.unbind('resize', that._winResize);
            }
        };

    lhgdialog.fn._init.prototype = lhgdialog.fn;

    /*! 使用jQ方式呼叫視窗 */
    $.fn.dialog = function () {
        var config = arguments;
        this.bind('click', function () {
            lhgdialog.apply(this, config);
            return false;
        });
        return this;
    };

    /*! 此物件用來儲存獲得焦點的視窗物件例項 */
    lhgdialog.focus = null;

    /*! 儲存視窗例項的物件列表 */
    lhgdialog.list = {};

    /*!
     * 全域性快捷鍵
     * 由於跨框架時事件是繫結到最頂層頁面，所以噹噹前頁面解除安裝時必須要除移此事件
     * 所以必須unbind此事件繫結的函式，所以這裡要給繫結的事件定義個函式
     * 這樣在當前頁面解除安裝時就可以移此事件繫結的相應函式，不而不影響頂層頁面此事件繫結的其它函式
     */
    onKeyDown = function (event) {
        var target = event.target,
            api = lhgdialog.focus,
            keyCode = event.keyCode;

        if (!api || !api.config.esc) return;

        keyCode === 27 && api._click(api.config.cancelVal);
    };

    _$doc.bind('keydown', onKeyDown);

    /*!
     * 框架頁面解除安裝前關閉所有穿越的對話方塊
     * 同時移除拖動層和遮罩層
     */
    _top != window && $(window).bind('unload', function () {
        var list = lhgdialog.list;
        for (var i in list) {
            if (list[i])
                list[i].close();
        }
        _box && _box.DOM.wrap.remove();

        _$doc.unbind('keydown', onKeyDown);
        // 刪除資料共享儲存的所有資料以釋放記憶體
        delete lhgdialog[_expando + '_data'];

        $('#ldg_lockmask', _doc)[0] && $('#ldg_lockmask', _doc).remove();
        $('#ldg_dragmask', _doc)[0] && $('#ldg_dragmask', _doc).remove();
    });

    /**
     * 跨框架資料共享介面
     * @see        http://www.planeart.cn/?p=1554
     * @param    {String}    儲存的資料名
     * @param    {Any}        將要儲存的任意資料(無此項則返回被查詢的資料)
     */
    lhgdialog[_expando + '_data'] = {};

    lhgdialog.data = function (name, value) {
        var cache = lhgdialog[_expando + '_data'];

        if (value !== undefined)
            cache[name] = value;
        else
            return cache[name];

        return cache;
    };

    /**
     * 資料共享刪除介面
     * @param    {String}    刪除的資料名
     */
    lhgdialog.removeDate = function (name) {
        var cache = lhgdialog[_expando + '_data'];
        if (cache && cache[name]) delete cache[name];
    };

    /*! 
     * 頁面DOM載入完成執行的程式碼
     */
    $(function () {
        // 觸發瀏覽器預先快取背景圖片
        setTimeout(function () {
            if (_count) return;
            lhgdialog({ left: '-9999em', time: 9, fixed: false, lock: false });
        }, 150);

        _ie6 && (function () {
            var bg = 'backgroundAttachment';
            if (_$html.css(bg) !== 'fixed' && $(_doc.body).css(bg) !== 'fixed') {
                _$html.css({
                    zoom: 1,// 避免偶爾出現body背景圖片異常的情況
                    backgroundImage: 'url(about:blank)',
                    backgroundAttachment: 'fixed'
                });
            }
        })();

        // 增強lhgdialog拖拽體驗（可選外接模組，如不需要可刪除）
        // 防止滑鼠落入iframe導致不流暢，對超大對話方塊拖動優化
        lhgdialog.setting.extendDrag &&
            (function (dragEvent) {
                var mask = _doc.createElement('div'),
                    style = mask.style,
                    positionType = _ie6 ? 'absolute' : 'fixed';
                mask.id = 'ldg_dragmask';

                style.cssText = 'display:none;position:' + positionType + ';left:0;top:0;width:100%;height:100%;'
                    + 'cursor:move;filter:alpha(opacity=0);opacity:0;background:#FFF;pointer-events:none;';

                _doc.body.appendChild(mask);

                dragEvent._start = dragEvent.start;
                dragEvent._end = dragEvent.end;

                dragEvent.start = function () {
                    var api = lhgdialog.focus,
                        main = api.DOM.main[0],
                        iframe = api.iframe;

                    dragEvent._start.apply(this, arguments);
                    style.display = 'block';
                    style.zIndex = lhgdialog.setting.zIndex + 3;

                    if (positionType === 'absolute') {
                        style.width = '100%';
                        style.height = _$top.height() + 'px';
                        style.left = _$doc.scrollLeft() + 'px';
                        style.top = _$doc.scrollTop() + 'px';
                    };

                    if (iframe && main.offsetWidth * main.offsetHeight > 307200)
                        main.style.visibility = 'hidden';
                };

                dragEvent.end = function () {
                    var api = lhgdialog.focus;
                    dragEvent._end.apply(this, arguments);
                    style.display = 'none';
                    if (api) api.DOM.main[0].style.visibility = 'visible';
                };
            })(lhgdialog.dragEvent);
    });

    /*!
     *------------------------------------------------
     * 對話方塊模組-拖拽支援（可選外接模組）
     *------------------------------------------------
     */
    var _use, _isSetCapture = 'setCapture' in _root,
        _isLosecapture = 'onlosecapture' in _root;

    lhgdialog.dragEvent =
        {
            onstart: _noop,
            start: function (event) {
                var that = lhgdialog.dragEvent;

                _$doc
                    .bind('mousemove', that.move)
                    .bind('mouseup', that.end);

                that._sClientX = event.clientX;
                that._sClientY = event.clientY;
                that.onstart(event.clientX, event.clientY);

                return false;
            },

            onmove: _noop,
            move: function (event) {
                var that = lhgdialog.dragEvent;

                that.onmove(
                    event.clientX - that._sClientX,
                    event.clientY - that._sClientY
                );

                return false;
            },

            onend: _noop,
            end: function (event) {
                var that = lhgdialog.dragEvent;

                _$doc
                    .unbind('mousemove', that.move)
                    .unbind('mouseup', that.end);

                that.onend(event.clientX, event.clientY);
                return false;
            }
        };

    _use = function (event) {
        var limit, startWidth, startHeight, startLeft, startTop, isResize,
            api = lhgdialog.focus,
            config = api.config,
            DOM = api.DOM,
            wrap = DOM.wrap[0],
            title = DOM.title,
            main = DOM.main[0],
            _dragEvent = lhgdialog.dragEvent,

            // 清除文字選擇
            clsSelect = 'getSelection' in _top ?
                function () {
                    _top.getSelection().removeAllRanges();
                } : function () {
                    try { _doc.selection.empty(); } catch (e) { };
                };

        // 對話方塊準備拖動
        _dragEvent.onstart = function (x, y) {
            if (isResize) {
                startWidth = main.offsetWidth;
                startHeight = main.offsetHeight;
            }
            else {
                startLeft = wrap.offsetLeft;
                startTop = wrap.offsetTop;
            };

            _$doc.bind('dblclick', _dragEvent.end);

            !_ie6 && _isLosecapture
                ? title.bind('losecapture', _dragEvent.end)
                : _$top.bind('blur', _dragEvent.end);

            _isSetCapture && title[0].setCapture();

            DOM.border.addClass('ui_state_drag');
            api.focus();
        };

        // 對話方塊拖動進行中
        _dragEvent.onmove = function (x, y) {
            if (isResize) {
                var wrapStyle = wrap.style,
                    style = main.style,
                    width = x + startWidth,
                    height = y + startHeight;

                wrapStyle.width = 'auto';
                config.width = style.width = Math.max(0, width) + 'px';
                wrapStyle.width = wrap.offsetWidth + 'px';

                config.height = style.height = Math.max(0, height) + 'px';
                api._ie6SelectFix();
                // 使用loading層置頂視窗時視窗大小改變相應loading層大小也得改變
                api._load && $(api._load).css({ width: style.width, height: style.height });
            }
            else {
                var style = wrap.style,
                    left = x + startLeft,
                    top = y + startTop;

                config.left = Math.max(limit.minX, Math.min(limit.maxX, left));
                config.top = Math.max(limit.minY, Math.min(limit.maxY, top));
                style.left = config.left + 'px';
                style.top = config.top + 'px';
            }

            clsSelect();
        };

        // 對話方塊拖動結束
        _dragEvent.onend = function (x, y) {
            _$doc.unbind('dblclick', _dragEvent.end);

            !_ie6 && _isLosecapture
                ? title.unbind('losecapture', _dragEvent.end)
                : _$top.unbind('blur', _dragEvent.end);

            _isSetCapture && title[0].releaseCapture();

            _ie6 && api._autoPositionType();

            DOM.border.removeClass('ui_state_drag');
        };

        isResize = event.target === DOM.rb[0] ? true : false;

        limit = (function () {
            var fixed = wrap.style.position === 'fixed',
                ow = wrap.offsetWidth,
                // 向下拖動時不能將標題欄拖出可視區域
                oh = title[0].offsetHeight || 20,
                ww = _$top.width(),
                wh = _$top.height(),
                dl = fixed ? 0 : _$doc.scrollLeft(),
                dt = fixed ? 0 : _$doc.scrollTop();
            // 座標最大值限制(在可視區域內)    
            maxX = ww - ow + dl;
            maxY = wh - oh + dt;

            return {
                minX: dl,
                minY: dt,
                maxX: maxX,
                maxY: maxY
            };
        })();

        _dragEvent.start(event);
    };

    lhgdialog.templates =
        '<table class="ui_border">' +
        '<tbody>' +
        '<tr>' +
        '<td class="ui_lt"></td>' +
        '<td class="ui_t"></td>' +
        '<td class="ui_rt"></td>' +
        '</tr>' +
        '<tr>' +
        '<td class="ui_l"></td>' +
        '<td class="ui_c">' +
        '<div class="ui_inner">' +
        '<table class="ui_dialog">' +
        '<tbody>' +
        '<tr>' +
        '<td colspan="2">' +
        '<div class="ui_title_bar">' +
        '<div class="ui_title" unselectable="on"></div>' +
        '<div class="ui_title_buttons">' +
        '<a class="ui_min" href="javascript:void(0);" title="\u6700\u5C0F\u5316"><b class="ui_min_b"></b></a>' +
        '<a class="ui_max" href="javascript:void(0);" title="\u6700\u5927\u5316"><b class="ui_max_b"></b></a>' +
        '<a class="ui_res" href="javascript:void(0);" title="\u8FD8\u539F"><b class="ui_res_b"></b><b class="ui_res_t"></b></a>' +
        '<a class="ui_close" href="javascript:void(0);" title="\u5173\u95ED(esc\u952E)">\xd7</a>' +
        '</div>' +
        '</div>' +
        '</td>' +
        '</tr>' +
        '<tr>' +
        '<td class="ui_icon">' +
        '<img src="" class="ui_icon_bg"/>' +
        '</td>' +
        '<td class="ui_main">' +
        '<div class="ui_content"></div>' +
        '</td>' +
        '</tr>' +
        '<tr>' +
        '<td colspan="2">' +
        '<div class="ui_buttons"></div>' +
        '</td>' +
        '</tr>' +
        '</tbody>' +
        '</table>' +
        '</div>' +
        '</td>' +
        '<td class="ui_r"></td>' +
        '</tr>' +
        '<tr>' +
        '<td class="ui_lb"></td>' +
        '<td class="ui_b"></td>' +
        '<td class="ui_rb"></td>' +
        '</tr>' +
        '</tbody>' +
        '</table>';

    /*! lhgdialog 的全域性預設配置 */
    lhgdialog.setting =
        {
            content: '<div class="ui_loading"><span>loading...</span></div>',
            title: '\u89C6\u7A97 ',     // 標題,預設'視窗'
            button: null,                // 自定義按鈕
            ok: null,                    // 確定按鈕回撥函式
            cancel: null,                // 取消按鈕回撥函式
            init: null,                    // 對話方塊初始化後執行的函式
            close: null,                // 對話方塊關閉前執行的函式
            okVal: '\u786E\u5B9A',        // 確定按鈕文字,預設'確定'
            cancelVal: '\u53D6\u6D88',    // 取消按鈕文字,預設'取消'
            skin: '',                    // 多面板共存預留介面
            esc: true,                    // 是否支援Esc鍵關閉
            show: true,                    // 初始化後是否顯示對話方塊
            width: 'auto',                // 內容寬度
            height: 'auto',                // 內容高度
            icon: null,                    // 訊息圖示名稱
            path: _path,                // lhgdialog路徑
            lock: false,                // 是否鎖屏
            parent: null,               // 開啟子視窗的父視窗物件，主要用於多層鎖屏視窗
            background: '#DCE2F1',        // 遮罩顏色
            opacity: .6,                // 遮罩透明度
            padding: '10px',            // 內容與邊界填充距離
            fixed: false,                // 是否靜止定位
            left: '50%',                // X軸座標
            top: '38.2%',                // Y軸座標
            max: true,                  // 是否顯示最大化按鈕
            min: true,                  // 是否顯示最小化按鈕
            zIndex: 1976,                // 對話方塊疊加高度值(重要：此值不能超過瀏覽器最大限制)
            resize: true,                // 是否允許使用者調節尺寸
            drag: true,                 // 是否允許使用者拖動位置
            cache: true,                // 是否快取視窗內容頁
            extendDrag: false           // 增加lhgdialog拖拽體驗
        };

    window.lhgdialog = $.dialog = lhgdialog;

})(this.jQuery || this.lhgcore, this);

/*!
 *------------------------------------------------
 * 對話方塊其它功能擴充套件模組（可選外接模組）
 *------------------------------------------------
 */
; (function ($, lhgdialog, undefined) {

    var _zIndex = function () {
        return lhgdialog.setting.zIndex;
    };

    /**
     * 警告
     * @param    {String}    訊息內容
     */
    lhgdialog.alert = function (content, callback, parent) {
        return lhgdialog({
            title: '系統提示',
            id: 'Alert',
            zIndex: _zIndex(),
            icon: '32x32/i.png',
            fixed: true,
            lock: true,
            content: content,
            ok: true,
            resize: false,
            close: callback,
            parent: parent || null
        });
    };

    /**
     * 確認
     * @param    {String}    訊息內容
     * @param    {Function}    確定按鈕回撥函式
     * @param    {Function}    取消按鈕回撥函式
     */
    lhgdialog.confirm = function (content, yes, no, parent) {
        return lhgdialog({
            title: '系統提示',
            id: 'confirm.gif',
            zIndex: _zIndex(),
            icon: '32x32/i.png',
            fixed: true,
            lock: true,
            content: content,
            resize: false,
            parent: parent || null,
            ok: function (here) {
                return yes.call(this, here);
            },
            cancel: function (here) {
                return no && no.call(this, here);
            }
        });
    };

    /**
     * 提問
     * @param    {String}    提問內容
     * @param    {Function}    回撥函式. 接收引數：輸入值
     * @param    {String}    預設值
     */
    lhgdialog.prompt = function (content, yes, value, parent) {
        value = value || '';
        var input;

        return lhgdialog({
            title: '系統提示',
            id: 'Prompt',
            zIndex: _zIndex(),
            icon: '32x32/i.png',
            fixed: true,
            lock: true,
            parent: parent || null,
            content: [
                '<div style="margin-bottom:5px;font-size:12px">',
                content,
                '</div>',
                '<div>',
                '<input value="',
                value,
                '" style="width:18em;padding:6px 4px" />',
                '</div>'
            ].join(''),
            init: function () {
                input = this.DOM.content[0].getElementsByTagName('input')[0];
                input.select();
                input.focus();
            },
            ok: function (here) {
                return yes && yes.call(this, input.value, here);
            },
            cancel: true
        });
    };

    /**
     * 短暫提示
     * @param    {String}    提示內容
     * @param   {Number}    顯示時間 (預設1.5秒)
     * @param    {String}    提示圖示 (注意要加副檔名)
     * @param   {Function}  提示關閉時執行的回撥函式
     */
    lhgdialog.tips = function (content, time, icon, callback) {
        var reIcon = icon ? function () {
            this.DOM.icon_bg[0].src = this.config.path + 'skins/icons/' + icon;
            this.DOM.icon[0].style.display = '';
            if (callback) this.config.close = callback;
        } : function () { this.DOM.icon[0].style.display = 'none'; };

        return lhgdialog({
            id: 'Tips',
            zIndex: _zIndex(),
            title: false,
            cancel: false,
            fixed: true,
            lock: false,
            resize: false,
            close: callback
        })
            .content(content)
            .time(time || 1.5, reIcon);
    };

})(this.jQuery || this.lhgcore, this.lhgdialog);