/*
 * Muse 0.1
 * Chapter browser routines (c) 2009 José I. Romero. <jose.cyborg at gmail dot com>
 */
function toggle_thumb(chapter)
{
	var thumb = document[chapter + "_thumb"];

	if (thumb.style.visibility == "hidden"){
		thumb.style.visibility = "visible";
		thumb.style.display = "inline";
	}else{
		thumb.style.visibility = "hidden";
		thumb.style.display = "none";
	}
}

function flip_cover()
{
	if (document.cover.src.match("cover.jpg")){
		document.cover.src = "back.jpg";
	} else {
		document.cover.src = "cover.jpg";
	}
}