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293 lines
8.6 KiB
293 lines
8.6 KiB
var sina = {
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$ : function (objName) {
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if (document.getElementById) {
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return eval('document.getElementById("' + objName + '")')
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} else {
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return eval('document.all.' + objName)
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}
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},
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isIE : navigator.appVersion.indexOf("MSIE") != -1 ? true : false,
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addEvent : function (l, i, I) {
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if (l.attachEvent) {
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l.attachEvent("on" + i, I)
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} else {
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l.addEventListener(i, I, false)
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}
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},
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delEvent : function (l, i, I) {
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if (l.detachEvent) {
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l.detachEvent("on" + i, I)
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} else {
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l.removeEventListener(i, I, false)
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}
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},
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readCookie : function (O) {
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var o = "",
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l = O + "=";
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if (document.cookie.length > 0) {
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var i = document.cookie.indexOf(l);
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if (i != -1) {
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i += l.length;
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var I = document.cookie.indexOf(";", i);
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if (I == -1)
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I = document.cookie.length;
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o = unescape(document.cookie.substring(i, I))
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}
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};
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return o
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},
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writeCookie : function (i, l, o, c) {
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var O = "",
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I = "";
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if (o != null) {
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O = new Date((new Date).getTime() + o * 3600000);
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O = "; expires=" + O.toGMTString()
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};
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if (c != null) {
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I = ";domain=" + c
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};
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document.cookie = i + "=" + escape(l) + O + I
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},
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readStyle : function (I, l) {
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if (I.style[l]) {
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return I.style[l]
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} else if (I.currentStyle) {
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return I.currentStyle[l]
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} else if (document.defaultView && document.defaultView.getComputedStyle) {
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var i = document.defaultView.getComputedStyle(I, null);
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return i.getPropertyValue(l)
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} else {
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return null
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}
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}
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};
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//滚动图片构造函数
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//UI&UE Dept. mengjia
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//080623
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function ScrollPic(scrollContId, arrLeftId, arrRightId, dotListId) {
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this.scrollContId = scrollContId;
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this.arrLeftId = arrLeftId;
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this.arrRightId = arrRightId;
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this.dotListId = dotListId;
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this.dotClassName = "dotItem";
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this.dotOnClassName = "dotItemOn";
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this.dotObjArr = [];
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this.pageWidth = 0;
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this.frameWidth = 0;
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this.speed = 10;
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this.space = 10;
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this.pageIndex = 0;
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this.autoPlay = true;
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this.autoPlayTime = 5;
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var _autoTimeObj,
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_scrollTimeObj,
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_state = "ready";
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this.stripDiv = document.createElement("DIV");
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this.listDiv01 = document.createElement("DIV");
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this.listDiv02 = document.createElement("DIV");
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if (!ScrollPic.childs) {
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ScrollPic.childs = []
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};
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this.ID = ScrollPic.childs.length;
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ScrollPic.childs.push(this);
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this.initialize = function () {
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if (!this.scrollContId) {
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throw new Error("必须指定scrollContId.");
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return
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};
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this.scrollContDiv = sina.$(this.scrollContId);
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if (!this.scrollContDiv) {
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throw new Error("scrollContId不是正确的对象.(scrollContId = \"" + this.scrollContId + "\")");
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return
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};
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this.scrollContDiv.style.width = this.frameWidth + "px";
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this.scrollContDiv.style.overflow = "hidden";
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this.listDiv01.innerHTML = this.listDiv02.innerHTML = this.scrollContDiv.innerHTML;
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this.scrollContDiv.innerHTML = "";
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this.scrollContDiv.appendChild(this.stripDiv);
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this.stripDiv.appendChild(this.listDiv01);
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this.stripDiv.appendChild(this.listDiv02);
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this.stripDiv.style.overflow = "hidden";
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this.stripDiv.style.zoom = "1";
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this.stripDiv.style.width = "32766px";
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if(-[1,]){
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this.listDiv01.style.cssFloat = "left";
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this.listDiv02.style.cssFloat = "left";
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}else{
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this.listDiv01.style.styleFloat = "left";
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this.listDiv02.style.styleFloat = "left";
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}
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sina.addEvent(this.scrollContDiv, "mouseover", Function("ScrollPic.childs[" + this.ID + "].stop()"));
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sina.addEvent(this.scrollContDiv, "mouseout", Function("ScrollPic.childs[" + this.ID + "].play()"));
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if (this.arrLeftId) {
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this.arrLeftObj = sina.$(this.arrLeftId);
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if (this.arrLeftObj) {
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sina.addEvent(this.arrLeftObj, "mousedown", Function("ScrollPic.childs[" + this.ID + "].rightMouseDown()"));
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sina.addEvent(this.arrLeftObj, "mouseup", Function("ScrollPic.childs[" + this.ID + "].rightEnd()"));
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sina.addEvent(this.arrLeftObj, "mouseout", Function("ScrollPic.childs[" + this.ID + "].rightEnd()"))
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}
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};
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if (this.arrRightId) {
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this.arrRightObj = sina.$(this.arrRightId);
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if (this.arrRightObj) {
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sina.addEvent(this.arrRightObj, "mousedown", Function("ScrollPic.childs[" + this.ID + "].leftMouseDown()"));
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sina.addEvent(this.arrRightObj, "mouseup", Function("ScrollPic.childs[" + this.ID + "].leftEnd()"));
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sina.addEvent(this.arrRightObj, "mouseout", Function("ScrollPic.childs[" + this.ID + "].leftEnd()"))
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}
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};
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if (this.dotListId) {
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this.dotListObj = sina.$(this.dotListId);
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if (this.dotListObj) {
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var pages = Math.round(this.listDiv01.offsetWidth / this.frameWidth + 0.4),
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i,
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tempObj;
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for (i = 0; i < pages; i++) {
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tempObj = document.createElement("span");
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this.dotListObj.appendChild(tempObj);
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this.dotObjArr.push(tempObj);
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if (i == this.pageIndex) {
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tempObj.className = this.dotClassName
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} else {
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tempObj.className = this.dotOnClassName
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};
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tempObj.title = "第" + (i + 1) + "页";
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sina.addEvent(tempObj, "click", Function("ScrollPic.childs[" + this.ID + "].pageTo(" + i + ")"))
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}
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}
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};
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if (this.autoPlay) {
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this.play()
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}
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};
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this.leftMouseDown = function () {
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if (_state != "ready") {
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return
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};
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_state = "floating";
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_scrollTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].moveLeft()", this.speed)
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};
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this.rightMouseDown = function () {
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if (_state != "ready") {
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return
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};
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_state = "floating";
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_scrollTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].moveRight()", this.speed)
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};
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this.moveLeft = function () {
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if (this.scrollContDiv.scrollLeft + this.space >= this.listDiv01.scrollWidth) {
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this.scrollContDiv.scrollLeft = this.scrollContDiv.scrollLeft + this.space - this.listDiv01.scrollWidth
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} else {
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this.scrollContDiv.scrollLeft += this.space
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};
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this.accountPageIndex()
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};
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this.moveRight = function () {
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if (this.scrollContDiv.scrollLeft - this.space <= 0) {
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this.scrollContDiv.scrollLeft = this.listDiv01.scrollWidth + this.scrollContDiv.scrollLeft - this.space
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} else {
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this.scrollContDiv.scrollLeft -= this.space
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};
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this.accountPageIndex()
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};
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this.leftEnd = function () {
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if (_state != "floating") {
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return
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};
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_state = "stoping";
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clearInterval(_scrollTimeObj);
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var fill = this.pageWidth - this.scrollContDiv.scrollLeft % this.pageWidth;
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this.move(fill)
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};
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this.rightEnd = function () {
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if (_state != "floating") {
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return
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};
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_state = "stoping";
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clearInterval(_scrollTimeObj);
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var fill = -this.scrollContDiv.scrollLeft % this.pageWidth;
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this.move(fill)
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};
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this.move = function (num, quick) {
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var thisMove = num / 5;
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if (!quick) {
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if (thisMove > this.space) {
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thisMove = this.space
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};
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if (thisMove < -this.space) {
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thisMove = -this.space
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}
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};
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if (Math.abs(thisMove) < 1 && thisMove != 0) {
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thisMove = thisMove >= 0 ? 1 : -1
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} else {
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thisMove = Math.round(thisMove)
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};
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var temp = this.scrollContDiv.scrollLeft + thisMove;
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if (thisMove > 0) {
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if (this.scrollContDiv.scrollLeft + thisMove >= this.listDiv01.scrollWidth) {
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this.scrollContDiv.scrollLeft = this.scrollContDiv.scrollLeft + thisMove - this.listDiv01.scrollWidth
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} else {
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this.scrollContDiv.scrollLeft += thisMove
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}
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} else {
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if (this.scrollContDiv.scrollLeft - thisMove <= 0) {
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this.scrollContDiv.scrollLeft = this.listDiv01.scrollWidth + this.scrollContDiv.scrollLeft - thisMove
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} else {
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this.scrollContDiv.scrollLeft += thisMove
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}
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};
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num -= thisMove;
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if (Math.abs(num) == 0) {
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_state = "ready";
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if (this.autoPlay) {
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this.play()
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};
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this.accountPageIndex();
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return
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} else {
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this.accountPageIndex();
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setTimeout("ScrollPic.childs[" + this.ID + "].move(" + num + "," + quick + ")", this.speed)
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}
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};
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this.next = function () {
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if (_state != "ready") {
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return
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};
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_state = "stoping";
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this.move(this.pageWidth, true)
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};
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this.play = function () {
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if (!this.autoPlay) {
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return
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};
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clearInterval(_autoTimeObj);
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_autoTimeObj = setInterval("ScrollPic.childs[" + this.ID + "].next()", this.autoPlayTime * 1000)
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};
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this.stop = function () {
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clearInterval(_autoTimeObj)
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};
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this.pageTo = function (num) {
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if (_state != "ready") {
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return
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};
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_state = "stoping";
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var fill = num * this.frameWidth - this.scrollContDiv.scrollLeft;
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this.move(fill, true)
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};
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this.accountPageIndex = function () {
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this.pageIndex = Math.round(this.scrollContDiv.scrollLeft / this.frameWidth);
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if (this.pageIndex > Math.round(this.listDiv01.offsetWidth / this.frameWidth + 0.4) - 1) {
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this.pageIndex = 0
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};
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var i;
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for (i = 0; i < this.dotObjArr.length; i++) {
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if (i == this.pageIndex) {
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this.dotObjArr[i].className = this.dotClassName
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} else {
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this.dotObjArr[i].className = this.dotOnClassName
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}
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}
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}
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};
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