gallery_container_id = "container";
image_container_id = "imageContainer";

gallery_container = false;
image_container = false;

function showGallery(){
	if(!(gallery_container&&image_container)){
		initializeGallery();
	}
	image_container.style['display'] = "none";
	gallery_container.style['display'] = "block";
}

function showImage(){
	if(!(gallery_container&&image_container)){
		initializeGallery();
	}
	image_container.style['display'] = "block";
	gallery_container.style['display'] = "none";
}


function initializeGallery(){
	gallery_container = document.getElementById(gallery_container_id);
	image_container = document.getElementById(image_container_id);
}