<input type="text" value="请输入用户名" onfocus="if(value=='请输入用户名') {value=''}" onblur="if (value=='') {value='请输入用户名'}">
<html>
<head>
<title>input test</title>
<style type="text/css">
.default { font-weight:bold; color:#787878; }
.puton{ font-weight:normal; color:black; }
</style>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var b=true;
$("#username").click(
function(){
if(b==true){
$(this).val("");
$(this).attr("class","puton");
b=false;
}
}
)
$("#username").blur( function(){
if( $(this).val()==""){
$(this).val("Enter your name");
$(this).attr("class","default");
b=true;
}
}
)
});
$(document).ready(function(){
var b=true;
$("#password").click( function(){
if(b==true){
$(this).val("");
$(this).attr("type","password");
$(this).attr("class","puton");
b=false;
}
})
$("#password").blur( function(){
if( $(this).val()==""){
$(this).val("Enter your password");
$(this).attr("type","text");
$(this).attr("class","default");
b=true;
}
}
)
});
</script>
</head>
<body>
<div id="content">
<form method="POST" id="user" action="">
User Name:<input type="text" id="username" class="default" name="username" value="Enter your name" /><br/>
PassWord:<input type="text" id="password" class="default" name="password" value="Enter your password" />
<input type="submit" name="sub" value="login" />
</form>
</div>
</body>
</html>