Newsysteem, text bug

<?php
function bb2html($text)
{
  $bbcode = array("<", ">",
                "[list]", "[*]", "[/list]",
                "[img]", "[/img]",
                "[b]", "[/b]",
                "[u]", "[/u]",
                "[i]", "[/i]",
                '[color="', "[/color]",
                "[size="", "[/size]",
                '[url="', "[/url]",
                "[mail="", "[/mail]",
                "[quote]", "[/quote]",
                '"]');
  $htmlcode = array("&lt;", "&gt;",
                "<ul>", "<li>", "</ul>",
                "<img src="", "">",
                "<b>", "</b>",
                "<u>", "</u>",
                "<i>", "</i>",
                "<span style="color:", "</span>",
                "<span style="font-size:", "</span>",
                '<a href="', "</a>",
                "<a href="mailto:", "</a>",
                "<table width=100% bgcolor=lightgray><tr><td bgcolor=white>", "</td></tr></table>",
                '">');
  $newtext = str_replace($bbcode, $htmlcode, $text);
  $newtext = nl2br($newtext);//second pass
  return $newtext;
}
?>

$bbcode = array("<", ">",
                "[list]", "[*]", "[/list]",
                "CriminalsPoint error: de volgende afbeelding werd niet geladen omwille van veiligheidsproblemen: ", "",
                "[b]", "[/b]",
                "[u]", "[/u]",
                "[i]", "[/i]",
                '[color="', "[/color]",
                "[size="", "[/size]",
                '[url="', "[/url]",
                "[mail="", "[/mail]",
                "[quote]", "[/quote]",
                '"]');

<table border='0' cellspacing='1' width='96%' bgcolor='#000' align="center">
				<tr>
					<td class='top'>
						Nieuws Berichten
					</td>
				</tr>
				
				<?php
				
				$sql = mysql_query("SELECT *, DATE_FORMAT(`date`, '%d-%m-%Y') AS `date` FROM `nieuws` ORDER BY `id` DESC LIMIT 0, 5") or die(mysql_error());				
				
				while($res = mysql_fetch_assoc($sql)){
					?>
					<tr>
						<td class='inhoud'>
							<span class='<?=$res['type']; ?>'><?=ucfirst($res['type']); ?>:</span> &nbsp;<span class='nieuwsitem'><?=$res['titel']; ?></span>
							
							<br />
							<span style='color: #8e8e8e;'><?=$res['date']; ?></span><br />
							<?=nl2br($res['item']); ?>
						</td>
					</tr>
					
					<?
				}
				
				?>
				
			</table>

<?php




echo "<form method='post' action='".$_SERVER['REQUEST_URI']."'>";




if(isset($_POST['post'])){
			
			$reps = array("noscript", "<script", "</script>");
			$bericht = str_replace($reps, "", $_POST['bericht']);
			
			mysql_query("INSERT INTO `nieuws` (`type`, `date`, `titel`, `item`) VALUES (".$_POST['type'].", '".date("Y-m-d")."', '".($_POST['titel'])."', '".($bericht)."')") or die(mysql_error());
			
			echo "Nieuws item geplaatst!";
			
		} else {
		
		
		
			
			echo "Titel: <input type='text' name='titel' value='' maxlenght='250' size='75'><br><br>";
			echo "Type: <select name='type'><option value='1'>Update</option>
			<option value='2'>Nieuws</option>
			<option value='3'>Aanpassing</option>
			<option value='4'>Informatie</option></select><br><br>";


			echo "<table><tr><td style='vertical-align: top;'>Bericht:</td><td> <textarea name='bericht'></textarea></td></tr></table><br>";
			
			echo "<input type='submit' name='post' value='Plaatsen!'>";
			
		
		}
		
echo "</form>";




?>

span.nieuws {
	font-size: 20px;
	color: #4db5d6;
}


span.update {
	font-size: 20px;
	color: #f7ff15;
}
span.informatie {
	font-size: 20px;
	color: #39de00;
}


span.aanpassing{
	font-size: 20px;
	color: #ff0000;
}


span.nieuwsitem {
	font-size: 20px;
	color: #adadad;
}