网页代码：
<!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>输入框-提示列表</title>
<style type="text/css">
<!--
/**/
body{background:#CCC}
.Menu {
position:relative;
204px;
height:127px;
z-index:1;
background: #FFF;
border:1px solid #000;
margin-top:-100px;
display:none;
}
.Menu2 {
position: absolute;
left:0;
top:0;
100%;
height:auto;
overflow:hidden;
z-index:1;
}
.Menu2 ul{margin:0;padding:0}
.Menu2 ul li{100%;height:25px;line-height:25px;text-indent:15px;
border-bottom:1px dashed #ccc;color:#666;cursor:pointer;
change:expression(
this.onmouseover=function(){
this.style.background="#F2F5EF";
},
this.onmouseout=function(){
this.style.background="";
}
)
}
input{200px}
.form{200px;height:auto;}
.form div{position:relative;top:0;left:0;margin-bottom:5px}
#List1,#List2,#List3{left:0px;top:93px;}
-->
</style>
<script type="text/javascript">
/*
显示或隐藏提示框
*/
function showAndHide(obj,types)
{
var Layer=window.document.getElementById(obj);
switch(types)
{
case "show":
Layer.style.display="block";
break;
case "hide":
Layer.style.display="none";
break;
}
}
function getValue(obj,str)
{
var input=window.document.getElementById(obj);
input.value=str;
}
</script>
</head>
<body>
<div class="form">
<div>
国家：<input type="text" id="txt" name="txt" onfocus="showAndHide('List1','show');" onblur="showAndHide('List1','hide');">
</div>
<!--列表1-->
<div class="Menu" id="List1">
<div class="Menu2">
<ul>
<li onmousedown="getValue('txt','中国CHINA');showAndHide('List1','hide');">中国CHINA</li>
<li onmousedown="getValue('txt','美国USA');showAndHide('List1','hide');">美国USA</li>
<li onmousedown="getValue('txt','日本JAPAN');showAndHide('List1','hide');">日本JAPAN</li>
<li onmousedown="getValue('txt','澳大利亚JAUSTRALIA');showAndHide('List1','hide');">澳大利亚JAUSTRALIA</li>
</ul>
</div>
</div>
<div>
性别：<input type="text" id="txt2" name="txt2" onfocus="showAndHide('List2','show');" onblur="showAndHide('List2','hide');">
</div>
<!--列表2-->
<div class="Menu" id="List2">
<div class="Menu2">
<ul>
<li onmousedown="getValue('txt2','男Male');showAndHide('List2','hide');">男Male</li>
<li onmousedown="getValue('txt2','女Female');showAndHide('List2','hide');">女Female</li>
</ul>
</div>
</div>
<div>
学历：<input type="text" id="txt3" name="txt3" onfocus="showAndHide('List3','show');" onblur="showAndHide('List3','hide');">
</div>
<!--列表3-->
<div class="Menu" id="List3">
<div class="Menu2">
<ul>
<li onmousedown="getValue('txt3','大专');showAndHide('List3','hide');">大专</li>
<li onmousedown="getValue('txt3','本科');showAndHide('List3','hide');">本科</li>
<li onmousedown="getValue('txt3','硕士');showAndHide('List3','hide');">硕士</li>
<li onmousedown="getValue('txt3','博士');showAndHide('List3','hide');">博士</li>
<li onmousedown="getValue('txt3','其它');showAndHide('List3','hide');">其它</li>
</ul>
</div>
</div>
<br/>
<div>
<input type="button" value="确认"/>
</div>
</div>
</body>
</html>
效果截图：
