很漂亮的一个表单输入效果，当用户的鼠标经过时立即在右边显示提示信息功能，可根据自己的需求来自定义。
<!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">
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<title>js+css制作漂亮密码输入表单_武鸣人</title>
<style type="text/css">
/*元素初始值*/
html {background: #FFF;}
body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,p,blockquote,th,td,ins,hr{margin: 0px;padding: 0px;}
p{cursor: text;}
h1,h2,h3,h4,h5,h6{font-size:100%;}
ol,ul{list-style-type: none;}
address,caption,cite,code,dfn,em,th,var{font-style:normal;font-weight:normal;}
table{border-collapse:collapse;}
fieldset,img{border:0;}
img{display:block;}
caption,th{text-align:left;}
body{position: relative;font-size:62.5%;font-family: "宋体"}
a{text-decoration: none;}
/*demo所用元素值*/
#need {margin: 20px 20px 20px 20px;width: 610px;}
#need li {height: 26px;width: 600px;font: 12px/26px Arial, Helvetica, sans-serif;background: #FFD;border-bottom: 1px dashed #E0E0E0;display: block;cursor: text;padding: 7px 0px 7px 10px!important;padding: 5px 0px 5px 10px;}
#need li:hover,#need li.hover {background: #FFE8E8;}
#need input {line-height: 14px;background: #FFF;height: 14px;width: 200px;border: 1px solid #E0E0E0;vertical-align: middle;padding: 6px;}
#need label {padding-left: 30px;}
#need label.old_password_wuming {background-position: 0 -277px;}
#need label.new_password_wuming {background-position: 0 -1576px;}
#need label.rePassword_wuming {background-position: 0 -1638px;}
#need label.email_wuming {background-position: 0 -429px;}
#need dfn {display: none;}
#need li:hover dfn, #need li.hover dfn {display:inline;margin-left: 7px;color: #676767;}
</style>
<script type="text/javascript">
function suckerfish_wuming(type, tag, parentId) {
if (window.attachEvent) {
window.attachEvent("onload", function() {
var sfEls = (parentId==null)?document.getElementsByTagName(tag):document.getElementById(parentId).getElementsByTagName(tag);
type(sfEls);
});
}
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
hover = function(sfEls) {
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=" hover";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" hover\\b"), "");
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
}
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
suckerfish_wuming(hover, "li");
</script>
</head>
<body>
<a href="https://www.wuming.ren">武鸣人</a>，各种信息资源免费发布，分享励志语录经典短句，减肥健身常识，各种js特效代码。网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)<hr>
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<script type="text/javascript" src="https://www.wuming.ren/ad/tc.js"></script>
<script type="text/javascript" src="https://www.wuming.ren/ad/a.js"></script>
<ol id="need">
<li><label class="old_password_wuming">原始密码：</label><input type="password" name="old_password_wuming"><dfn>武鸣人提示您，请输入旧密码！</dfn></li>
<li><label class="new_password_wuming">新的密码：</label><input type="password" name="new_password_wuming"><dfn>武鸣人提示您，请输入新密码！</dfn></li>
<li><label class="rePassword_wuming">重复密码：</label><input type="password" name="rePassword_wuming"><dfn>武鸣人提示您，请重新输入新密码！</dfn></li>
<li><label class="email_wuming">邮箱设置：</label><input type="text" name="email_wuming"><dfn>武鸣人提示您，输入邮箱，方便修改密码</dfn></li>
</ol>
</body>
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