phpMv / phpMv-UI

		return $this->content["image"]= $image;

	}

	public function addReveal($visibleContent, $hiddenContent=NULL, $type=RevealType::FADE, $attributeType=NULL) {

		$reveal=$visibleContent;

		if (!$visibleContent instanceof HtmlReveal) {

			$reveal=new HtmlReveal("reveral-" . $this->identifier, $visibleContent, $hiddenContent, $type, $attributeType);

		}

		return $this->content["image"]= $reveal;

	}

	public function addRevealImage($visibleContent, $hiddenContent=NULL, $type=RevealType::FADE, $attributeType=NULL) {

		$reveal=$visibleContent;

		return $this->content["image"]= $reveal;

	}

	public function addRevealImage($visibleContent, $hiddenContent=NULL, $type=RevealType::FADE, $attributeType=NULL) {

		$reveal=$visibleContent;

		if (!$visibleContent instanceof HtmlReveal) {

			return $this->addReveal(new HtmlImage("", $visibleContent), new HtmlImage("", $hiddenContent), $type, $attributeType);

		}

		return $this->content["image"]= $reveal;

	}

	public function addExtraContent($content=array()) {

		return $this->content["extra-content"]= $this->createContent($content, "extra content");