php-pagebuilder Code

<?php
session_start();
$user_ID=$_SESSION[user_ID];
if (!$user_ID || $user_ID=='0')
{
  header('location: index.php');
  die('Login failed');
}
require("util.php");
$sql = new MySQL_class;
$sql->Create("generator");
$esql = new MySQL_class;
$esql->Create("generator");
$right=$_SESSION[var_right];
$field=$_SESSION[var_field];
?>
<?php
$user_field=($_POST['user_field']);
$field=quote($_POST['field']);
$right=quote($_POST['right']);
$user=quote($_POST['user']);
$f_dta = $sql->data[user];
if ($f_dta <> 0) {
	$esql->QueryItem("select `username`, `user` from `user` where (type='group' or type='both') and `user`=$f_dta");
	if ($esql->data[LNR]==0) {die ('No valid data in \'User\''); }
}
$sql->Update("UPDATE `user_field` SET
`field`=$field,
`right`=$right,
`user`=$user WHERE `field`='$field' AND `right`='$right'");
$affected_rows = $sql->a_rows;
echo "<P><FONT FACE=\"Verdana, sans-serif\"><FONT SIZE=1 STYLE=\"font-size: 8pt\">";
echo "Er is/zijn $affected_rows records gewijzigd<BR>";
echo "$right<BR>";
echo "</P>";
if ($affected_rows=1) {
	echo "<script>window.opener.location.reload(true)</script>";
	echo "<script>window.close(self)</script>";
}
$_SESSION[last_70]=$user_field;
?>
<INPUT TYPE=BUTTON VALUE="Close" onClick="window.opener.location.reload(true);self.close()">