<html>
<head>
<script language="javascript">
function exam(){
var f = document.frm ;
f.aaa.value="";
}
function exam2(){
var f = document.frm ;
if(f.aaa.value==""){
f.aaa.value="아이디를 입력하세요";
}
}
</script>
</head>
<body>
<form name="frm">
<input type="text" id="aaa" value="아이디를 입력하세요" onfocus="exam()" onblur="exam2()">
</form>
</body>
</html> |