I created a page and it worked for me:
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<!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>Untitled Document</title>
<meta http-equiv="imagetoolbar" content="no" />
<meta name="MSSmartTagsPreventParsing" content="TRUE" />
<meta name="robots" content="index,follow" />
</head>
<body>
<form id="form1" name="form1" method="post" action="untitled1.php">
Please just submit the form
<textarea name="testing" id="testing" cols="45" rows="5">http://localhost/mydesk/untitled1.php</textarea>
<input type="submit" name="TestIt" id="TestIt" value="Submit" />
</form>
</body>
</html>