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],'\u6700\u5C0F\u5316']:[1,0,'none',this.char[1],'\u6062\u5FA9'];
		this.minbtn.status==1 ? this.closebtn.style.display = 'none' : this.closebtn.style.display = 'block';
		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
		function $(id) {return document.getElementById(id)};
		this.win=document.createElement('div');
		this.win.id="weeklyTip";
		this.win.innerHTML='<div class="icos"><a href="javascript:void(0)" title="\u6700\u5C0F\u5316" id="minTip"></a><a href="javascript:void(0)" title="關閉" id="closeTip" style="display:none"></a></div><div id="titleTip">\u5C0F\u63D0\u793A</div><div id="conTip"></div>';
		document.body.appendChild(this.win);
		var set={minbtn: 'minTip',closebtn: 'closeTip',title: 'titleTip',content: 'conTip'};
		for (var Id in set) {this[Id] = $(set[Id])};
		var me = this;
		this.minbtn.onclick = function() {me.set();this.blur()};
		this.closebtn.onclick = function() {me.close()};
		this.char=['<img src="images/cState.gif" />','<img src="images/show.gif" />','<img src="images/close.gif" />'];//FF不支持webdings字体
		this.minbtn.innerHTML=this.char[0];
		this.closebtn.innerHTML=this.char[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;
	}
};

window.onload = function(){
	Message.init();
	//if(!/home/.test(location.href.toLowerCase())){
		//$('#minTip').trigger("click");
	//}
	Message.title.innerHTML = '';
	$("#conTip").load("Expand.Asp");
}