var Message = {
    set: function()
    { //最小化与恢复状态切换
        //var set=this.minbtn.status == 1?[0,1,'block',this.char[0],'最小化']:[1,0,'none',this.char[1],'恢复'];
        this.minbtn.status = set[0];
        this.win.style.borderBottomWidth = set[1];
        this.content.style.display = set[2];
        this.minbtn.innerHTML = set[3];
        this.minbtn.title = set[4];
        this.win.style.top = this.getY().top;
    },
    close: function()
    { //关闭
        this.win.style.display = 'none';
        window.onscroll = null;
    },
    setOpacity: function(x)
    { //设置透明度
        var v = x >= 100 ? '': 'Alpha(opacity=' + x + ')';
        this.win.style.visibility = x <= 0 ? 'hidden': 'visible'; //IE有绝对或相对定位内容不随父透明度变化的bug
        this.win.style.filter = v;
        this.win.style.opacity = x / 100;
    },
    show: function()
    { //渐显
        clearInterval(this.timer2);
        var me = this,
        fx = this.fx(0, 100, 0.1),
        t = 0;
        this.timer2 = setInterval(function()
        {
            t = fx();
            me.setOpacity(t[0]);
            if (t[1] == 0)
            {
                clearInterval(me.timer2)
            }
        },
        10);
    },
    fx: function(a, b, c)
    { //缓冲计算
        var cMath = Math[(a - b) > 0 ? "floor": "ceil"],
        c = c || 0.1;
        return function()
        {
            return [a += cMath((b - a) * c), a - b]
        }
    },
    getY: function()
    { //计算移动坐标
        var d = document,
        b = document.body,
        e = document.documentElement;
        var s = Math.max(b.scrollTop, e.scrollTop);
        var h = /BackCompat/i.test(document.compatMode) ? b.clientHeight: e.clientHeight;
        var h2 = this.win.offsetHeight;
        return {
            foot: s + h + h2 + 2 + 'px',
            top: s + h - h2 - 2 + 'px'
        }
    },
    moveTo: function(y)
    { //移动动画
        clearInterval(this.timer);
        var me = this,
        a = parseInt(this.win.style.top) || 0;
        var fx = this.fx(a, parseInt(y));
        var t = 0;
        this.timer = setInterval(function()
        {
            t = fx();
            me.win.style.top = t[0] + 'px';
            if (t[1] == 0)
            {
                clearInterval(me.timer);
                me.bind();
            }
        },
        10);
    },
    bind: function()
    { //绑定窗口滚动条与大小变化事件
        var me = this,
        st, rt;
        window.onscroll = function()
        {
            clearTimeout(st);
            clearTimeout(me.timer2);
            me.setOpacity(0);
            st = setTimeout(function()
            {
                me.win.style.top = me.getY().top;
                me.show();
            },
            600);
        };
        window.onresize = function()
        {
            clearTimeout(rt);
            rt = setTimeout(function()
            {
                me.win.style.top = me.getY().top
            },
            100);
        }
    },
    init: function()
    { //创建HTML
        this.win = document.createElement('DIV');
        this.win.id = "msg_win";
        this.win.innerHTML = '<div class="icos"><a href="javascript:void 0" title="关闭" id="msg_close">r</a></div><div id="msg_title">&nbsp;</div><div id="msg_content"></div>';
        $('body').append(this.win);
        var set = {
            closebtn: 'msg_close',
            title: 'msg_title',
            content: 'msg_content'
        };
        for (var Id in set)
        {
            this[Id] = $.dom(set[Id])
        };
        var me = this;
        //this.minbtn.onclick = function() {me.set();this.blur()}; 
        this.closebtn.onclick = function()
        {
            me.close()
        };
        //this.char = navigator.userAgent.toLowerCase().indexOf('firefox') + 1 ? ['_', '::', '×'] : ['0', '2', 'r']; //FF不支持webdings字体
        var X = $.browser.mozilla ? ['_', '::', '×'] : ['0', '2', 'r'];
        this.closebtn.innerHTML = X[2];
        setTimeout(function()
        { //初始化最先位置
            me.win.style.display = 'block';
            me.win.style.top = me.getY().foot;
            me.moveTo(me.getY().top);
        },
        500);
        return this;
    }
};
$(function()
{
    var html =  '<h1>尊敬的东航客户：</h1>' +
                '<h2>' +
                    '　　东方航空新版网站已于2010年3月8日正式上线，欢迎您使用。<br/>'+
                    '　　如果您需要查询2010年3月8日之前的网上购票订单，请您继续访问东方航空旧版网站(<a href="http://www0.ceair.com/" target="_blank">http://www0.ceair.com</a>)。<br/>'+
                    '　　再次感谢您对东方航空网站的支持！' +
                '</h2>';
    Message.init();
    Message.title.innerHTML = '';
    Message.content.innerHTML = html;
});