This is my login script, but the message that shows up for invalid input no work

[ted_chou12]

[code]
<?php
ob_start();
session_start();

require_once ("functions.php");

$returnurl = urlencode(isset($_GET["returnurl"])?$_GET["returnurl"]:"");
if($returnurl == "")
$returnurl = urlencode(isset($_POST["returnurl"])?$_POST["returnurl"]:"");

$do = isset($_GET["do"])?$_GET["do"]:"";

$do = strtolower($do);

switch($do)
{
case "":
if (checkLoggedin())
{include("usernav.php");?>
<h3>User Logged In</h3>
<p>This is the members only area.</p>
<?php } else {?>

<a name="User Panel"></a>
<h1>User Panel</h1>
<h3>User Login</h3>
<form name="login" action="login.php?do=login" method="POST" onsubmit="return aValidator();">
<input type="hidden" name="returnurl" value="<?$returnurl?>">
<table cellPadding=3 width=225 border=1>
<tr>
<td colSpan=2>
<center>
<p><b>Members-Only Area!</b></font></p>
</center></td></tr>
<tr>
<td align=center width=70>Username:</td>
<td><input type="text" name="username"></td></tr>
<tr>
<td align=center width=70>Password:</td>
<td><input type="password" name="password"></font></td></tr>
<tr>
<td align=middle colspan=2>
<input type="submit" name="submit" value="Login"></td></tr>
<td align=middle colSpan=2>
<input type="checkbox" name="remme" value="on">&nbsp;Remember me for the next time I visit</td>
</form></table></td>
<?php
}
break;
case "login":
$username = isset($_POST["username"])?$_POST["username"]:"";
$password = isset($_POST["password"])?$_POST["password"]:"";

if ($username=="" or $password=="" )
{
echo "<h1>Username or password is blank</h1>";//this does not show when the input(s) are blank
clearsessionscookies();
header("location: index.php?returnurl=$returnurl");
}
else
{
if(confirmuser($username,$password))
{
createsessions($username,$password);
if ($returnurl<>"")
header("location: $returnurl");
else
{
header("Location: index.php");
}
}
else
{
echo "<h1>Invalid Username and/Or password</h1>";//this message does not show when the user login invalid
clearsessionscookies();
header("location: index.php?returnurl=$returnurl");
}
}
break;
case "logout":
clearsessionscookies();
header("location: index.php");
break;
}
?>
[/code]
What maybe the case, could anyone help me with this?
Thanks Ted.

[ted_chou12]

Can anyone help me with this please?

[bfmv91]

Hi I was using the same code and also facing the same problem could you please tell me how you solved it?

[bfmv91]

Common guys please anyone help me  :'(