ok soz dont know that source this is from index.php/tbdev source
Code:
<?begin_frame("<center><font color=white>Shoutbox</font></center>",true,5);?>
<iframe src='./shoutbox.php' width='80%' height='350' align='center' frameborder='0' name='sbox' marginwidth='0' marginheight='0'></iframe><br><br>
<form action='./shoutbox.php' method='get' target='sbox' name='shbox' onSubmit="mySubmit()">
<p align="center">Shout!!<input type='text' name='shbox_text' size='80'> <input type='submit' class='btn' value=' Shout '>
<input type='hidden' name='sent' value='yes'><br>