I am using AS2 with javascript interactions. Could anyone help me with this:

Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>Actionscript Javascript Communication from Circlecube</title>

<script src="swfobject.js" type="text/javascript"></script>
		<script type="text/javascript">
		swfobject.registerObject("myId", "9.0.0", "expressInstall.swf");
		
function recieveTextFromFlash(Txt) {

	document.getElementById('htmlText').value = Txt;

}

</script>

</head>



<body>

<table width="100%" border="0" cellspacing="0" cellpadding="0">

  <tr>

    <td width="400"><h1>From <a href="http://blog.circlecube.com">CircleCube.Com</a></h1> 

      <div align="center">Actionscript Javascript

      Communication</div>

      <form id="form1" name="form1" method="post" action="">

      <textarea name="htmlText" id="htmlText" cols="50" rows="15"> </textarea>

      <br />

      <input type="button" name="sendToFlash" id="sendToFlash" value="Send Text To Flash" 

onclick="getElementById('myId').sendTextFromHtml(htmlText.value); 

document.getElementById('htmlText').value = ''" />

    </form>

      Return to the post: <br />

      <a 

href="http://blog.circlecube.com/2008/02/01/actionscript-javascript-communication/">http://blog.ci

rclecube.com/2008/02/01/actionscript-javascript-communication/</a></td>

    <td>

    









    <div align="left" id="swf">

    <object id="flash" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="300" 

height="120">
				<param name="flash" value="test.swf" />
        		<!--[if !IE]>-->
				<object type="application/x-shockwave-flash" 

data="test.swf" width="300" height="120" id="flash">
				<!--<![endif]-->
				<div>
					<h1>Alternative content</h1>
					<p><a 

href="http://www.adobe.com/go/getflashplayer"><img 

src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe 

Flash player" /></a></p>
				</div>
				<!--[if !IE]>-->
				</object>
				<!--<![endif]-->
			</object>

    </div></td>

  </tr>

</table>



</body>

</html>
Im stucked with the 'null' is null or not an object problem. IE and FF.