Stuff

<div id="bloqueTexto">
                        <form method="post" action="<?=$_SERVER['PHP_SELF']?>" >
                        <input type="text" name="textfield">
                    </div>
                    <div id="bloqueBuscar">
                        <input type="image" value="buscar" name="buscar" src="tools/b_buscar.gif" width="57" height="21" alt="" />
                        </form>
                    </div>