js左右滚屏
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title>
</head>
<body>
<script type="text/javascript">
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
create: function() {
return function() {
this.initialize.apply(this, arguments);
}
}
}
Object.extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
return destination;
}
function addEventHandler(oTarget, sEventType, fnHandler) {
if (oTarget.addEventListener) {
oTarget.addEventListener(sEventType, fnHandler, false);
} else if (oTarget.attachEvent) {
oTarget.attachEvent("on" + sEventType, fnHandler);
} else {
oTarget["on" + sEventType] = fnHandler;
}
};
var Scroller = Class.create();
Scroller.prototype = {
initialize: function(idScroller, idScrollMid, idScrollLeft, idScrollRight, options) {
var oScroll = this, oScroller = $(idScroller), oScrollMid = $(idScrollMid);
this.widthScroller = oScroller.offsetWidth;
this.widthList = oScrollMid.offsetWidth;
if(this.widthList <= this.widthScroller) return;
oScroller.style.overflow = "hidden";
oScrollMid.appendChild(oScrollMid.cloneNode(true));
this.oScroller = oScroller;
this.scroll = true;
this.SetOptions(options);
this.side = 1;//1是左 -1是右
switch (this.options.Side) {
case "right" :
this.side = -1;
break;
case "left" :
default :
this.side = 1;
}
addEventHandler(oScrollMid , "mouseover", function() { oScroll.scroll = false; });
addEventHandler(oScrollMid , "mouseout", function() { oScroll.scroll = true; });
if(idScrollLeft) { addEventHandler($(idScrollLeft), "click", function() { oScroll.side = 1; }); }
if(idScrollRight) { addEventHandler($(idScrollRight), "click", function() { oScroll.side = -1; }); }
this.Scroll();
},
//设置默认属性
SetOptions: function(options) {
this.options = {//默认值
Step: 1,//每次变化的px量
Time: