Problem with focus on text field and submit button

hey my code is like this

<form id=f action="t.php" method="post">

<object
..flash object
</object>
<input type=text id=dataField style:'position:absolute: left:40px; top:65px'>

<div id="finish"></div>
</form>
<input type="button" onclick="next()">

i put finish button dynamically
i put f

mahesh557