Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Untitled Document</title>
<script language="JavaScript" type="text/javascript">
function displayDiv(boolDisplay,objValue)
{
if (boolDisplay)
document.getElementById("div1").style.display = "block";
else {
document.getElementById("div1").style.display = "none";
document.getElementById("txt1").value = objValue;
}
}
</script>
<style type="text/css">
body{
}
</style>
</head>
<body>
<div>
<div><input type="text" id="txt1" name="txt1" /><input type="button" id="btn1" onclick="displayDiv(true,'');" value="select" /></div>
<div id="div1" name="div1" style="position:absolute;display:none;z-index:9999;200px;height:50px;background-color:#fff;">
<input type="radio" id="r1" name="r1" onclick="displayDiv(false,this.value);" value="username1" />username1
</div>
<input type="text" id="txt2" name="txt2" />
</div>
</body>
</html>
效果已实现.各位只要美好一下就是了!很简单!