frames.php
protected function clearNestedFramesFocus()
    {
        for ($i = 0; $i < count($this->frames); $i++) {
            $this->frames[$i]->clearFrameFocus();
        }
    }
protected function clearNestedFramesFocus()
    {
        for ($i = 0; $i < count($this->frames); $i++) {
            $this->frames[$i]->clearFrameFocus();
        }
    }
Clears the frame focus for any nested frames.