hier meine login.php
<?php
$conn = mysql_connect("localhost","root","");
mysql_select_db("markusbloch",$conn);
$username = $HTTP_POST_VARS["username"];
$password = $HTTP_POST_VARS["password"];
$login = $HTTP_POST_VARS["login"];
if($username != ""){
$query = "SELECT * FROM Temp Where username='$username'";
$result = mysql_query($query);
if($result != "") {
$row = mysql_fetch_array($result);
$query = "DELETE FROM Temp Where SesId='".$row["SesId"]."'";
$result = mysql_query($query);
}
mt_srand((double)microtime() * 1000000);
$SesId = mt_rand(); // Create unique sessionId
$query2 = "INSERT INTO Temp (SesId, Date, username) VALUES ('$SesId', '$Datesession', '$username')";
$result2 = mysql_query($query2);
header("Location: http://markus.beucha.de/page/intern/members/index.php?sid=$SesId");
}
else {
?>
<html>
<head>
<title>LOG-IN</title>
<link rel="stylesheet" type="text/css" href="style.css">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>
<body >
<form name="form1" method="post" action="http://markus.beucha.de/page/intern/login.php">
<table width="100%" height="100%"><tr><td align="center" valign="middle">
<table border=0 align="center" valign="middle"><tr><th colspan="3">
<h3>Login</h3>
<?php
if ($errormessage != ""){echo "<br><font color=\"#FF0000\" size=\"-1\"><strong>$errormessage</strong></font><br>";} ?>
</th></tr>
<tr valign="middle">
<td>Username:</td>
<td><input name="username" type="text" id="username" value=<?PHP
echo "\"$username2\"";
if ($username2 != ""){echo "DISABLED";}
?>></td>
</tr><td>Passwort:</td><td>
<input name="password" type="password" id="password"></td></tr><tr><th colspan="3" align="left"> <font size="-1"> |<a href="http://markusbloch.ma.funpic.de/page/intern/forgot.php">Passwort vergessen</a>|<a href="http://markusbloch.ma.funpic.de/page/intern/signup.php">Mitglied werden</a>|</font><input type="submit" value="Login =>"></th></tr> </table></tr></td></table>
<input type="hidden" name="login" value="true">
</form>
</body>
</html>
<?php
}
?>