我的为什么不管用
<!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=utf-8" />
<title>透明度动画</title>
<style type="text/css">
*{margin:0; padding:0;}
#div1{
width:200px;
height:200px;
background-color:red;
filter:alpha(opacity:30);
opacity:0.3;
}
</style>
<script>
window.onload=function(){
var Odiv=document.getElementById('div1');
Odiv.onmouseover=function(){
startMove(100);
}
Odiv.onmouseout=function(){
startMove(30);
}
}
var timer=null;
var alpha=30;
function startMoce(iTarget){
var Odiv=document.getElementById('div1');
clearInterval(timer);
timer=setInterval(function(){
var speed=0;
if(alpha>iTarget){
speed=-10;
}
else{
speed=10;
}
if(alpha==iTarget){
clearInterval(timer);
}
else{
alpha+=speed;
Odiv.style.filter='aloha(opacity:'+alpha+')';
Odiv.style.opacity=alpha/100;
}
},30)
}
</script>
</head>
<body>
<div id="div1"></div>
</body>
</html>
