var ItemObj = undefined, scrollObj;
var PopupWin = function() {
    this.TimeOp = "";
    this.MoveSize = 0;
    this.MoveSpeedMax = 40;
    this.MoveSpeedMin = 5;
    this.MoveSpeed = this.MoveSpeedMax;
    this.MoveT = 37;
    this.Pianyi = 5;
    this.scrollSY = 0;
    this.MoveTime = 100;
    this.StartClose = 0;
    this.CloseTimeRun = 3000;
    this.PopObj = undefined;
    this.MinButton = undefined;
    this.MaxButton = undefined;
    this.CloseButton = undefined;
    this.MoveOp = "show"
}
PopupWin.prototype = {
    init: function() {
        this.create();
        this.setDefault();
        this.MoveSize = this.PopObj.clientHeight + this.Pianyi;
        ItemObj = this;
        this.TimeOp = setInterval("ItemObj.move()", this.MoveTime);
        this.scrollPop()
    },
    move: function() {
        var MoveMath = this.MoveOp == "show" ? this.ShowMoveSize(this.MoveSize) : this.MoveOp == "hide" ? this.HideMoveSize(this.MoveSize) : this.CloseMovesize();
        if (MoveMath > 0) {
            this.setPopTop(this.MoveStep((MoveMath - this.MoveSpeed) > 0 ? this.MoveSpeed: MoveMath))
        } else {
            clearInterval(this.TimeOp);
            this.scrollSY = this.MoveOp == "show" ? this.PopObj.clientHeight + this.Pianyi: this.screenH - this.getPopTop();
            this.MoveSpeed = this.MoveOp == "show" ? this.MoveSpeedMax: this.MoveSpeedMin;
            if (this.MoveOp == "close") {
                if (this.scrollSY <= 0) {
                    this.PopHide()
                } ! this.StartClose ? (setTimeout("StartCloseRun()", this.CloseTimeRun), this.StartClose = 1, this.scrollSY = this.MoveT + this.Pianyi) : this.StartClose = 1
            }
        }
    },
    MoveStep: function(MX) {
        return this.MoveOp == "show" ? this.getPopTop() - (MX) : this.getPopTop() + (MX)
    },
    ShowMoveSize: function(MX) {
        return MX - (this.screenH() - this.getPopTop())
    },
    HideMoveSize: function(MX) {
        return MX - (this.getPopTop() - (this.screenH() - this.PopObj.clientHeight + this.Pianyi))
    },
    CloseMoveSize: function() {
        return this.screenH() - this.getPopTop()
    },
    ShowSetMove: function() {},
    HidesetMove: function() {},
    ClosesetMove: function() {},
    PopShow: function() {
        this.PopObj.style.display = "block"
    },
    PopHide: function() {
        this.PopObj.style.display = "none"
    },
    setDefault: function() {
        this.setPopTop(this.screenH());
        this.PopShow()
    },
    setPopTop: function(Topsize) {
        this.PopObj.style.top = Topsize + "px"
    },
    getPopTop: function() {
        return parseInt(this.PopObj.style.top)
    },
    screenH: function() {
        return document.documentElement.scrollTop + document.documentElement.clientHeight
    },
    setAbs: function() {
        scrollObj.setPopTop(scrollObj.screenH() - scrollObj.scrollSY)
    },
    scrollPop: function() {
        scrollObj = this;
        if (window.attachEvent) {
            window.attachEvent("onscroll", scrollObj.setAbs)
        } else {
            window.addEventListener("scroll", scrollObj.setAbs, false)
        }
    },
    DomEvent: function() {},
    create: function() {
        this.PopObj = document.createElement("div");
        this.PopObj = this.setAttr(this.PopObj, ["id", "style"], ["PopUp", "position:absolute; display:none; top:0px; right:0px; width:280px; height:300px; border:1px #000 solid;"]);
        this.PopObj.innerHTML = '<a href="#" id="MinBtn" style=" position:absolute; top:12px; right:28px; width:0; overflow:hidden;background:url(images/pop_btn.gif) no-repeat;height:15px; padding-left:15px;" title="最小化">最小化</a><a href="#" style=" display:none; position:absolute; top:12px; right:28px; overflow:hidden;background:url(images/pop_btn.gif) no-repeat -15px 0;height:15px; width:0; padding-left:15px;" title="还原" id="MaxBtn">还原</a><a href="#" style=" position:absolute; top:12px; right:8px; overflow:hidden;background:url(images/pop_btn.gif) no-repeat -30px 0; width:0; height:15px; padding-left:15px;" id="CloseBtn" title="关闭">关闭</a><div class="popupc" id="PopFrm"></div>';
        document.body.appendChild(this.PopObj);
        this.MinButton = document.getElementById("MinBtn");
        this.MaxButton = document.getElementById("MaxBtn");
        this.CloseButton = document.getElementById("CloseBtn")
    },
    setAttr: function(Obj, Attr, Attrval) {
        for (var i = 0; i < Attr.length; i++) {
            if (Attr[i] != "style") {
                if (Attr[i] == "class") {
                    Obj.setAttribute("className", Attrval[i]);
                    Obj.setAttribute("class", Attrval[i])
                } else {
                    Obj.setAttribute(Attr[i], Attrval[i])
                }
            } else {
                var oStyle = Obj.getAttribute("style");
                if (oStyle == "[object]") {
                    oStyle.setAttribute("cssText", Attrval[i]);
                    Obj.setAttribute("style", oStyle)
                } else {
                    Obj.setAttribute("style", Attrval[i])
                }
            }
        }
        return Obj
    }
}