劳驾高手看一下，这段对联的JS，为什么放入页面后不能随滚动条上下移动
日期：2014-05-18 浏览次数：20710 次
麻烦高手看一下，这段对联的JS，为什么放入页面后不能随滚动条上下移动
var delta=0.8;
var collection;
function floaters() {
this.items = [];
this.addItem = function(id,x,y,content)
{
document.write( ' <DIV id= '+id+ ' style= "Z-INDEX: 10; POSITION: absolute; width:80px; height:60px;left: '+(typeof(x)== 'string '?eval(x):x)+ ';top: '+(typeof(y)== 'string '?eval(y):y)+ ' "> '+content+ ' </DIV> ');
var newItem = {};
newItem.object = document.getElementById(id);
newItem.x = x;
newItem.y = y;
this.items[this.items.length] = newItem;
}
this.play = function()
{
collection = this.items
setInterval( 'play() ',30);
}
}
function play()
{
if(screen.width <=800)
{
for(var i=0;i <collection.length;i++)
{
collection[i].object.style.display = 'none ';
}
return;
}
for(var i=0;i <collection.length;i++)
{
var followObj = collection[i].object;
var followObj_x = (typeof(collection[i].x)== 'string '?eval(collection[i].x):collection[i].x);
var followObj_y = (typeof(collection[i].y)== 'string '?eval(collection[i].y):collection[i].y);
if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) {
var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta;
dx=(dx> 0?1:-1)*Math.ceil(Math.abs(dx));
followObj.style.left=followObj.offsetLeft+dx;
}
if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) {
var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta;
dy=(dy> 0?1:-1)*Math.ceil(Math.abs(dy));
followObj.style.top=followObj.offsetTop+dy;
}
followObj.style.display = ' ';
}
}
var theFloaters = new floaters();
//
theFloaters.addItem( 'followDiv1 ', 'document.body.clientWidth-106 ',80, ' <a href=http://www.red.net.cn/style/info/hosting.asp target=_blank> <img src=http://www.knowsky.com/ad/100300.gif width=100 height=300 border=0> </a> ');
theFloaters.addItem( 'followDiv2 ',6,80, ' ');
theFloaters.play();
我的网页中很简单。
<%@LANGUAGE= "VBSCRIPT " CODEPAGE= "936 "%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN " "http://www.w3.org/TR/html4/loose.dtd ">
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 ">
<title> 无标题文档 </title>
</head>
<body>
<script src= "/Index/JS/flag.js "> </script>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p
var delta=0.8;
var collection;
function floaters() {
this.items = [];
this.addItem = function(id,x,y,content)
{
document.write( ' <DIV id= '+id+ ' style= "Z-INDEX: 10; POSITION: absolute; width:80px; height:60px;left: '+(typeof(x)== 'string '?eval(x):x)+ ';top: '+(typeof(y)== 'string '?eval(y):y)+ ' "> '+content+ ' </DIV> ');
var newItem = {};
newItem.object = document.getElementById(id);
newItem.x = x;
newItem.y = y;
this.items[this.items.length] = newItem;
}
this.play = function()
{
collection = this.items
setInterval( 'play() ',30);
}
}
function play()
{
if(screen.width <=800)
{
for(var i=0;i <collection.length;i++)
{
collection[i].object.style.display = 'none ';
}
return;
}
for(var i=0;i <collection.length;i++)
{
var followObj = collection[i].object;
var followObj_x = (typeof(collection[i].x)== 'string '?eval(collection[i].x):collection[i].x);
var followObj_y = (typeof(collection[i].y)== 'string '?eval(collection[i].y):collection[i].y);
if(followObj.offsetLeft!=(document.body.scrollLeft+followObj_x)) {
var dx=(document.body.scrollLeft+followObj_x-followObj.offsetLeft)*delta;
dx=(dx> 0?1:-1)*Math.ceil(Math.abs(dx));
followObj.style.left=followObj.offsetLeft+dx;
}
if(followObj.offsetTop!=(document.body.scrollTop+followObj_y)) {
var dy=(document.body.scrollTop+followObj_y-followObj.offsetTop)*delta;
dy=(dy> 0?1:-1)*Math.ceil(Math.abs(dy));
followObj.style.top=followObj.offsetTop+dy;
}
followObj.style.display = ' ';
}
}
var theFloaters = new floaters();
//
theFloaters.addItem( 'followDiv1 ', 'document.body.clientWidth-106 ',80, ' <a href=http://www.red.net.cn/style/info/hosting.asp target=_blank> <img src=http://www.knowsky.com/ad/100300.gif width=100 height=300 border=0> </a> ');
theFloaters.addItem( 'followDiv2 ',6,80, ' ');
theFloaters.play();
我的网页中很简单。
<%@LANGUAGE= "VBSCRIPT " CODEPAGE= "936 "%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN " "http://www.w3.org/TR/html4/loose.dtd ">
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 ">
<title> 无标题文档 </title>
</head>
<body>
<script src= "/Index/JS/flag.js "> </script>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p
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