Need help

1

my smileys dont show on my postForm and when am clicking enter it doesnt send smilyes to my postForm,here is my code :


<div id="status"></div>
<div class="postForm">
<form action="<?php echo $username; ?>" method="POST">
<textarea  id="post" name="post" rows="4" cols="199"></textarea>
<input type="submit" name="send" value="Post" style="bacground-color:#DCE5EE; float: right; margin-right:10px; border: 1px solid #666; color:#666;height:60px; width:65px;"/>
</form>
<img src="smiley/angry.gif"     onclick="insertSmiley(':-D')" />
<script type="text/javascript"> 
    function insertSmiley(smiley) 
    { 
        var currentText = document.getElementById("post"); 
        var smileyWithPadding = " " + smiley + " "; 
		currentText.value += smileyWithPadding;
		
   $('#post').keyup(function(e){
     if (e.keyCode == 16) {
	 
	 var post = $(this).val();
	  $.post('replace.php', {post: post}, function(data){
	  $('#status').append(data + '<br/><br/>');
	  
	 });
	 
	 }
	 
   });
   }
</script>


</div>

my replace.php code:


<?php
 $message = @$_POST['message'];
 $message = str_replace(':-D','<img src=smiley/angry.gif',$message);
 echo"$message";
 
?>

thanks, hope you will find the way to help me…