<form action="LoggerServlet" target="navigation" method="POST">
    <input type="text" name="goTo" size="90%" id="addressbar">
    <input type="submit" value="Load!" id="button" name="submit"/>
</form>

<iframe class="browser" scrolling="no" name="navigation"></iframe>

$('.browser').contents().load(function() {
    // code
}