Hey,
The first error i noticed in the calling script is this:
<?php include("session_check.inc") ?>
...
<?php include("style.inc") ?>
should be:
<?php include("session_check.inc"); ?>
...
<?php include("style.inc"); ?>
secondly in the switch() control struct. the case statement should look like this:
case "foo":
or
case 'xyz':
and the syntax here:
$query = "INSERT INTO SEA_news (content) VALUE ('$add_news');
$query_check = mysql_query($query, $connect);
should be:
$query = "INSERT INTO SEA_news (content) VALUE ('$add_news')";
$query_check = mysql_query($query, $connect);
Get rid of these, and then see if more arrise...