<script language="JavaScript" src="progress.js">
<script language="JavaScript">
function old_check(){
if(!document.F1["up1"].value){ alert("1번은 꼭 넣어~!"); return false; }
}
</script>
<body onload="document.body.style.backgroundColor='#EFEFEF'">
<form name="F1" action="" onSubmit="return old_check();">
<form name="F2" action="">