想做個登錄框，為什么不行呀！求解答
<!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>登錄框</title>
</head>
<style>
*{margin:0;padding:0}
#div1{position: absolute;
width:100%;
? ? ?height:100%;
background:#999;
opactiy:0;
filter:Alpha(opacity=0);
display:none;
z-index:1000;
}
#div3{width:250px;
? ? ? height:150px;
?background:#39F;
?position:absolute;
?top:200px;
?left:40%;
?display:none;
?z-index:1001;
? ? ? }
</style>
<script>
function(){
? ? ? ? ?var oDiv1=document.getElementById("div1");
?var oBtt=document.getElementById("button");
?var oDiv3=document.getElementById("div3");
??
?oBtt.onclick=function(){
?
oDiv1.style.display="block";
?oDiv3.style.display="block";}
?
?
?
?
? ? ? ??
}
</script>
<body>
<div id="div1">
</div>
<div id="div2">
? ? ?<input id="button" type="button" value="登陸" />
</div>
<div id="div3">
</div>
</body>
</html>
2016-12-29
<!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>登錄框</title>
</head>
<style>
*{margin:0;padding:0}
#div1{position: absolute;
width:100%;
? ? ?height:100%;
background:#999;
display:none;
z-index:1000;
}
#div3{width:250px;
? ? ? height:150px;
?background:#39F;
?position:absolute;
?top:200px;
?left:40%;
?display:none;
?z-index:1001;
? ? ? }
</style>
<script>
function(){
? ? ? ? ?var oDiv1=document.getElementById("div1");
?var oBtt=document.getElementById("button");
?var oDiv3=document.getElementById("div3");
??
?oBtt.onclick=function(){
?
oDiv1.style.display="block";
?oDiv3.style.display="block";}
?
?
?
?
? ? ? ??
}
</script>
<body>
<div id="div1">
</div>
<div id="div2">
? ? ?<input id="button" type="button" value="登陸" />
</div>
<div id="div3">
</div>
</body>
</html>