úprava článku

if ($_GET["addnews"] == 2) {
$data=mysql_query ("select  * from novinky WHERE `id`=".intval($_POST['novinky'])."");
while ($data1= MySQL_Fetch_Array($data)):  
{
?> 
<h2>Upravit novinku</h2><br/> 
<form action="addnews.php?addnews=3" method="post"> 
<input type="text" name="id" value="<?echo $data1["id"];?>" />
Titulek<input type="text" name="titulek" value="<?echo $data1["titulek"];?>" /> <br/>
Novinka           <textarea id="elm1" name="text" rows="15" cols="80" style="width: 450px"><?echo $data1["text"];?></textarea><br/> 
Celý text novinky <textarea id="elm2" name="celytext" rows="15" cols="80" style="width: 450px"><?echo $data1["celytext"];?></textarea><br/>  
<input type="submit" value='Upravit novinku' /> <br/>
</form>  
<?
}endwhile;
 }
 
if ($_GET["addnews"] == 3) {
$id = $_POST['id'];
$titulek = $_POST['titulek']; 
$text = $_POST['text'];
$celytext = $_POST['celytext']; 
$sql =  mysql_query ("UPDATE novinky SET titulek=$titulek     WHERE id=$id ");  
$sql =  mysql_query ("UPDATE novinky SET text=$text           WHERE id=$id "); 
$sql =  mysql_query ("UPDATE novinky SET celytext=$celytext   WHERE id=$id "); 
 if (!mysql_query($sql,$con))  
  { 
  die('Error: ' . mysql_error());  
  } 
echo "<p>Novinka byla upravena<a href='../admin'>ZPĚT</a></p> ";  
}