query bewerken

		else if($_GET['pagina'] == 'home')
	    {
	    	include('../include/config.php');

	    	if($_GET['homesubmit'] == 'Bewerk')
	    	{
	    		$sql_query = "???????????????????";
	    		$sql_query = "VALUES ('".$_GET['homebericht']."')";
	    		$sql_result = mysql_query($sql_query) or die(mysql_error());

	    		echo'De pagina is met succes aangepast!';
        	}
        	else
        	{
			    $query = "SELECT * FROM `content` WHERE titel='home'";
				$result = mysql_query ($query) or die("Query failed");

			    while($bericht = mysql_fetch_object($result))
			    {
			    	$inhoud = $bericht->bericht;
                }
			    ?>
			    <form method="get" action="">
			    <textarea name="homebericht" cols="80" rows="18"><?php echo $inhoud; ?></textarea>
			    <input type="submit" name="homesubmit" value="Bewerk">
			    </form>
			    <?php
	  		}
	    }