add in "nl2br2" to a new line

Hi, Im having a bit of trouble working out how to add a line break to new lines.I have read http://uk.php.net/nl2br to I almost know it of by heart! Here's the code Im trying to add it to,any help here would be most welcome. Chris <form action="update.php" method="post"> <textarea rows="25" cols="40" name="content"> <? $fn = "test.txt"; print htmlspecialchars(implode("",file($fn))); ?> </textarea><br /> <input type="submit" value="Change!"> </form> <Update php> <? $fn = "test.txt"; $content = stripslashes($_POST['content']); $fp = fopen($fn,"w") or die ("Error opening file!!"); fputs($fp,$content); fclose($fp) or die ("Error closing file!"); echo "<meta http-equiv=\"refresh\" content=\"0; url=index.php\" />\n"; ?>