protected function getInput()
	{
		// Initialize some field attributes.
		$accept = $this->element['accept'] ? ' accept="' . (string) $this->element['accept'] . '"' : '';
		$size = $this->element['size'] ? ' size="' . (int) $this->element['size'] . '"' : '';
		$class = $this->element['class'] ? ' class="' . (string) $this->element['class'] . '"' : '';
		$disabled = ((string) $this->element['disabled'] == 'true') ? ' disabled="disabled"' : '';

		// Initialize JavaScript field attributes.
		$onchange = $this->element['onchange'] ? ' onchange="' . (string) $this->element['onchange'] . '"' : '';

		return '<input type="file" name="' . $this->name . '" id="' . $this->id . '"' . ' value=""' . $accept . $disabled . $class . $size
			. $onchange . ' />';
	}