<!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>
<style type="text/css">
*{ margin:0; padding:0; background:#333333}
#img1{ left:500px; top:200px; position:absolute; width:128px; height:128px;}
</style>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript">
window.onload=function()
{
var oImg=document.getElementById('img1');
oImg.onmouseover=function()
{
startMove(oImg,{width:328,height:328,marginLeft:-100,marginTop:-100}) }
oImg.onmouseout=function()
{
startMove(oImg,{width:128,height:128,marginLeft:0,marginTop:0})
}
}
function getStyle(obj, attr)
{
if(obj.currentStyle)
{
return obj.currentStyle[attr];
}
else
{
return getComputedStyle(obj, false)[attr]
}
}function startMove(obj,json)
{
clearInterval(obj.timer);
obj.timer=setInterval(function(){
var bStop=true;
for(var attr in json)
{
var iCur=parseInt(getStyle(obj,attr));
var iSpeed=(json[attr]-iCur)/20;
iSpeed=iSpeed>0?Math.ceil(iSpeed):Math.floor(iSpeed);
if(iCur!=json[attr])
{
bStop=false;
} obj.style[attr]=iCur+iSpeed+'px';
}
if(bStop)
{
clearInterval(obj.timer);
}
},30);
}
</script>
</head><body>
<img src="http://img4.3lian.com/sucai/img2/234/Woaf03.jpg" id="img1" />
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
*{ margin:0; padding:0; background:#333333}
#img1{ left:500px; top:200px; position:absolute; width:128px; height:128px;}
</style>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript">
window.onload=function()
{
var oImg=document.getElementById('img1');
oImg.onmouseover=function()
{
startMove(oImg,{width:328,height:328,marginLeft:-100,marginTop:-100}) }
oImg.onmouseout=function()
{
startMove(oImg,{width:128,height:128,marginLeft:0,marginTop:0})
}
}
function getStyle(obj, attr)
{
if(obj.currentStyle)
{
return obj.currentStyle[attr];
}
else
{
return getComputedStyle(obj, false)[attr]
}
}function startMove(obj,json)
{
clearInterval(obj.timer);
obj.timer=setInterval(function(){
var bStop=true;
for(var attr in json)
{
var iCur=parseInt(getStyle(obj,attr));
var iSpeed=(json[attr]-iCur)/20;
iSpeed=iSpeed>0?Math.ceil(iSpeed):Math.floor(iSpeed);
if(iCur!=json[attr])
{
bStop=false;
} obj.style[attr]=iCur+iSpeed+'px';
}
if(bStop)
{
clearInterval(obj.timer);
}
},30);
}
</script>
</head><body>
<img src="http://img4.3lian.com/sucai/img2/234/Woaf03.jpg" id="img1" />
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
*{ margin:0; padding:0; background:#333333}
#img1{ left:500px; top:200px; position:absolute; width:128px; height:128px;}
</style>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script type="text/javascript">
window.onload=function()
{
var oImg=document.getElementById('img1');
oImg.onmouseover=function()
{
startMove(oImg,{width:328,height:328,left:400,top:100})//这个地方不能用marginTop和marginLeft,要用left和top,因为是绝对定位嘛 }
oImg.onmouseout=function()
{
startMove(oImg,{width:128,height:128,left:500,top:200})
}
}
function getStyle(obj, attr)
{
if(obj.currentStyle)
{
return obj.currentStyle[attr];
}
else
{
return getComputedStyle(obj, false)[attr]
}
}function startMove(obj,json)
{
clearInterval(obj.timer);
obj.timer=setInterval(function(){
var bStop=true;
for(var attr in json)
{
var iCur=parseInt(getStyle(obj,attr));
//这个地方特别要注意:left和top的变动幅度是宽高改变的幅度的一半!你仔细想想,一个大盒子套一个小盒子,小盒子和大盒子的边距是:(大盒子的尺寸-小盒子的尺寸)/2
var wh=20;
if(attr=="left"||attr=="top")
wh=wh/2;
var iSpeed=(json[attr]-iCur)/wh; iSpeed=iSpeed>0?Math.ceil(iSpeed):Math.floor(iSpeed);if(iCur!=json[attr])
{
bStop=false;
} obj.style[attr]=iCur+iSpeed+'px';
}
if(bStop)
{
clearInterval(obj.timer);
}
},30);
}
</script>
</head><body>
<img src="http://avatar.profile.csdn.net/6/8/E/2_zhoufeng0401.jpg" id="img1" />
</body>
</html>