Edit / Update script error

here is my code with the updates made…the only thing it wont do is when you click submit it wont update the data and show “Information update” …
can someone get it working before you make a comment… this is frustrating me any help is appreciated…


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
 <title>Untitled</title>
 <link rel="STYLESHEET" type="text/css" href="common/common.css">
 <script src="common/common.js" type="text/javascript"></script>
</head>
<body bgcolor="#000000">
<?php
include ("connect.php");

//If cmd has not been initialized
if(!isset($cmd)) 
{
   //display all the news
   $result = mysql_query("SELECT * FROM news ORDER BY id"); 
   
   //run the while loop that grabs all the news scripts
   while($r=mysql_fetch_array($result)) 
   { 
	  //grab the title and the ID of the news
	  $title=$r["title"];//take out the title
	  $id=$r["id"];//take out the id
	 
  //make the title a link
	  echo "<span class='editbut'><a href='editnews2.php?cmd=edit&id=$id'>$title - Edit</a></span>";
	  echo "<br>";
	}
}
?>
<?
if($_GET["cmd"]=="edit" || $_POST["cmd"]=="edit")
{
   if (!($_POST["submit"])) //if (!isset($_POST["submit"]))
   {
	  $id = $_GET["id"];
	  $sql = "SELECT * FROM news WHERE id=$id";
	  $result = mysql_query($sql);		
	  $myrow = mysql_fetch_array($result);
	  ?>
   
   
	  <form action="editnews2.php" method="post">
	  <input type=hidden name="id" value="<?php echo $myrow["id"] ?>">
	  <span class='content'>Date:</span><INPUT TYPE="TEXT" NAME="date" VALUE="<?php echo $myrow["date"] ?>" SIZE=20><br>
	  <span class='content'>Title:</span><INPUT TYPE="TEXT" NAME="title" VALUE="<?php echo $myrow["title"] ?>" SIZE=30><br>
	  <span class='content'>Article:</span><TEXTAREA NAME="article" ROWS=10 COLS=30><? echo $myrow["article"] ?></TEXTAREA><br>
	  <input type="hidden" NAME="cmd" value="edit">
	  <input type="submit" NAME="submit" value="submit">
   
	  </form>
   
   <? } ?>
   
<?
   if ($_POST["$submit"])
   {
	  $id = $_POST["id"];//added
   $date = $_POST["date"];
	  $title = $_POST["title"];
	  $article = $_POST["article"];
	  $sql = "UPDATE news SET date='$date',title='$title',article='$article' WHERE id=$id";
	  $result = mysql_query($sql);
   echo "<TABLE width='100%' cellpadding='0' cellspacing='0' border='0'>
	<tr>
	 <td width='10' bgcolor='#cc0000'>
	  <img src='images/trans.gif' width='10' height='1' border='0'><br>
	 </td>
		<td width='100%' bgcolor='#cc0000'>
		<span class='content'>Information Updated.</span><br>
		<span class='editbut'><a href='index.php' target='_parent'>Home</a></span><br>
		</td>
	</tr>
   </table>";
		 echo "------------------------------------------------------------------<br><br>";
	 
   }
}
?>
</body>
</html>