var bdb = { $: function(objName) { if (document.getElementById) { return eval('document.getElementById("' + objName + '")') } else { return eval('document.all.' + objName) } }, isIE: navigator.appVersion.indexOf("MSIE") != -1 ? true : false, addEvent: function(l, i, I) { if (l.attachEvent) { l.attachEvent("on" + i, I) } else { l.addEventListener(i, I, false) } }, delEvent: function(l, i, I) { if (l.detachEvent) { l.detachEvent("on" + i, I) } else { l.removeEventListener(i, I, false) } }, readCookie: function(O) { var o = "", l = O + "="; if (document.cookie.length > 0) { var i = document.cookie.indexOf(l); if (i != -1) { i += l.length; var I = document.cookie.indexOf(";", i); if (I == -1) I = document.cookie.length; o = unescape(document.cookie.substring(i, I)) } }; return o }, writeCookie: function(i, l, o, c) { var O = "", I = ""; if (o != null) { O = new Date((new Date).getTime() + o * 3600000); O = "; expires=" + O.toGMTString() }; if (c != null) { I = ";domain=" + c }; document.cookie = i + "=" + escape(l) + O + I }, readStyle: function(I, l) { if (I.style[l]) { return I.style[l] } else if (I.currentStyle) { return I.currentStyle[l] } else if (document.defaultView && document.defaultView.getComputedStyle) { var i = document.defaultView.getComputedStyle(I, null); return i.getPropertyValue(l) } else { return null } } };

//滚动图片构造函数
//UI&UE Dept. mengjia
//080623
function ScrollPic(scrollContId, arrLeftId, arrRightId, dotListId) {
    this.scrollContId = scrollContId;
    this.arrLeftId = arrLeftId; this.arrRightId = arrRightId;
    this.dotListId = dotListId; this.dotClassName = "dotItem";
    this.dotOnClassName = "dotItemOn";
    this.dotObjArr = [];
    this.pageWidth = 0;
    this.frameWidth = 0;
    this.speed = 10;
    this.space = 10;
    this.pageIndex = 0;
    this.autoPlay = true;
    this.autoPlayTime = 5;
    var _autoTimeObj, _scrollTimeObj, _state = "ready";
    this.stripDiv = document.createElement("DIV");
    this.listDiv01 = document.createElement("DIV");
    this.listDiv02 = document.createElement("DIV");
    if (!ScrollPic.childs) {
        ScrollPic.childs = []
    };
    this.ID = ScrollPic.childs.length;
    ScrollPic.childs.push(this);
    this.initialize = function() {
    if (!this.scrollContId) {
        throw new Error("必须指定scrollContId."); return
    };
    this.scrollContDiv = bdb.$(this.scrollContId);
    if (!this.scrollContDiv) {
        throw new Error("scrollContId不是正确的对象.(scrollContId = \"" + this.scrollContId + "\")"); 
        return
    };
    this.scrollContDiv.style.width = this.frameWidth + "px";
    this.scrollContDiv.style.overflow = "hidden"; this.listDiv01.innerHTML = this.listDiv02.innerHTML = this.scrollContDiv.innerHTML;
    this.scrollContDiv.innerHTML = ""; this.scrollContDiv.appendChild(this.stripDiv); this.stripDiv.appendChild(this.listDiv01);
    this.stripDiv.appendChild(this.listDiv02); this.stripDiv.style.overflow = "hidden"; this.stripDiv.style.zoom = "1"; this.stripDiv.style.width = "10000px"; this.listDiv01.style.cssFloat = "left";
    this.listDiv02.style.cssFloat = "left"; bdb.addEvent(this.scrollContDiv, "mouseover", Function("ScrollPic.childs[" + this.ID + "].stop()")); bdb.addEvent(this.scrollContDiv, "mouseout",
     Function("ScrollPic.childs[" + this.ID + "].play()")); if (this.arrLeftId) {
    this.arrLeftObj = bdb.$(this.arrLeftId); if (this.arrLeftObj) {
        bdb.addEvent(this.arrLeftObj, "mousedown", Function("ScrollPic.childs[" + this.ID + "].rightMouseDown()"));
        bdb.addEvent(this.arrLeftObj, "mouseup", Function("ScrollPic.childs[" + this.ID + "].rightEnd()")); bdb.addEvent(this.arrLeftObj, "mouseout", Function("ScrollPic.childs[" + this.ID + "].rightEnd()"))
    } 
};
if (this.arrRightId) {
    this.arrRightObj = bdb.$(this.arrRightId); if (this.arrRightObj) {
        bdb.addEvent(this.arrRightObj, "mousedown", Function("ScrollPic.childs[" + this.ID + "].leftMouseDown()"));
        bdb.addEvent(this.arrRightObj, "mouseup", Function("ScrollPic.childs[" + this.ID + "].leftEnd()")); bdb.addEvent(this.arrRightObj, "mouseout", Function("ScrollPic.childs[" + this.ID + "].leftEnd()"))
    } 
};
if (this.dotListId) {
    this.dotListObj = bdb.$(this.dotListId); if (this.dotListObj) {
        var pages = Math.round(this.listDiv01.offsetWidth / this.frameWidth + 0.4), i, tempObj; for (i = 0; i < pages; i++) {
            tempObj = document.createElement("span"); this.dotListObj.appendChild(tempObj); this.dotObjArr.push(tempObj); if (i == this.pageIndex) { tempObj.className = this.dotClassName } else
            { tempObj.className = this.dotOnClassName }; tempObj.title = "第" + (i + 1) + "页"; bdb.addEvent(tempObj, "click", Function("ScrollPic.childs[" + this.ID + "].pageTo(" + i + ")"))
        } 
    } 
};
if (this.autoPlay) { this.play() } 
}; this.leftMouseDown = function() { if (_state != "ready") { return }; _state = "floating"; _scrollTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].moveLeft()", this.speed) };
this.rightMouseDown = function() { if (_state != "ready") { return }; _state = "floating"; _scrollTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].moveRight()", this.speed) };
this.moveLeft = function() {
    if (this.scrollContDiv.scrollLeft + this.space >= this.listDiv01.scrollWidth) { this.scrollContDiv.scrollLeft = this.scrollContDiv.scrollLeft + this.space - this.listDiv01.scrollWidth }
    else { this.scrollContDiv.scrollLeft += this.space }; this.accountPageIndex()
}; this.moveRight = function() {
    if (this.scrollContDiv.scrollLeft - this.space <= 0) {
        this.scrollContDiv.scrollLeft = this.listDiv01.scrollWidth + this.scrollContDiv.scrollLeft - this.space
    } else { this.scrollContDiv.scrollLeft -= this.space }; this.accountPageIndex()
};
this.leftEnd = function() { if (_state != "floating") { return }; _state = "stoping"; clearInterval(_scrollTimeObj); var fill = this.pageWidth - this.scrollContDiv.scrollLeft % this.pageWidth; this.move(fill) };
this.rightEnd = function() { if (_state != "floating") { return }; _state = "stoping"; clearInterval(_scrollTimeObj); var fill = -this.scrollContDiv.scrollLeft % this.pageWidth; this.move(fill) };
this.move = function(num, quick) {
    var thisMove = num / 5; if (!quick) { if (thisMove > this.space) { thisMove = this.space }; if (thisMove < -this.space) { thisMove = -this.space } };
    if (Math.abs(thisMove) < 1 && thisMove != 0) { thisMove = thisMove >= 0 ? 1 : -1 } else { thisMove = Math.round(thisMove) }; var temp = this.scrollContDiv.scrollLeft + thisMove;
    if (thisMove > 0) {
        if (this.scrollContDiv.scrollLeft + thisMove >= this.listDiv01.scrollWidth) { this.scrollContDiv.scrollLeft = this.scrollContDiv.scrollLeft + thisMove - this.listDiv01.scrollWidth } else
        { this.scrollContDiv.scrollLeft += thisMove } 
    } else {
        if (this.scrollContDiv.scrollLeft - thisMove <= 0) { this.scrollContDiv.scrollLeft = this.listDiv01.scrollWidth + this.scrollContDiv.scrollLeft - thisMove }
        else { this.scrollContDiv.scrollLeft += thisMove } 
    }; num -= thisMove; if (Math.abs(num) == 0) { _state = "ready"; if (this.autoPlay) { this.play() }; this.accountPageIndex(); return } else {
        this.accountPageIndex();
        setTimeout("ScrollPic.childs[" + this.ID + "].move(" + num + "," + quick + ")", this.speed)
    } 
}; this.next = function() { if (_state != "ready") { return }; _state = "stoping"; this.move(this.pageWidth, true) };
this.play = function() { if (!this.autoPlay) { return }; clearInterval(_autoTimeObj); _autoTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].next()", this.autoPlayTime * 1000) }; this.stop = function() {
clearInterval(_autoTimeObj)
}; this.pageTo = function(num) { if (_state != "ready") { return }; _state = "stoping"; var fill = num * this.frameWidth - this.scrollContDiv.scrollLeft; this.move(fill, true) };
this.accountPageIndex = function() {
    this.pageIndex = Math.round(this.scrollContDiv.scrollLeft / this.frameWidth);
    if (this.pageIndex > Math.round(this.listDiv01.offsetWidth / this.frameWidth + 0.4) - 1) { this.pageIndex = 0 }; var i; for (i = 0; i < this.dotObjArr.length; i++) {
        if (i == this.pageIndex) {
           this.dotObjArr[i].className = this.dotClassName } else { this.dotObjArr[i].className = this.dotOnClassName } } } };