PHP Code:
<html>
<head>
<title> </title>
<script language="javascript">
function check() {
if (document.getElementById("usrlogin").value == "") {
alert("Bitte trage einen Benutzernamen ein.");
document.getElementById("usrlogin").style.borderColor = "#ff0000";
return false;
}
if (document.getElementById("pwlogin").value == "") {
alert("Bitte trage dein Passwort ein.");
document.getElemtById("pwlogin").style.borderColor = "#ff0000";
return false;
}
}
</script>
</head>
<body>
<form action="action/login_request.php" method="post">
<p> Benutzername: </p>
<input id="usrlogin" type="text" name="username_login" maxlength="16">
<br>
<br>
<p> Passwort: </p>
<input id="pwlogin" type="password" name="password_login" maxlength="16">
<br>
<br>
<input type="submit" onclick="javascript:check();" value="Einloggen">
</form>
</body>
</html>
