Script
<HTML>
<HEAD>
<TITLE>Script </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function hanCheck(x) {
for(i=0;i<x.user_id.value.length;i++) {
var a=x.user_id.value.charCodeAt(i);
if (a > 128) {
alert('ÇÑ±Û ÀÔ·Â ±ÝÁö');
x.user_id.value="";
x.user_id.focus();
return;
}
}
alert("ok");
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<form>
User_id <input type=text name="user_id">
<input type=button onClick="hanCheck(this.form)" value="Check">
</form>
</BODY>
</HTML>
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