var visible_text;
function swap_photo(photo_id) {
	// Switch out the big image.
	document.getElementById("big_image").src = "../images/about/" + photo_id + ".jpg";

	// Swap out the text.
	document.getElementById("about_text").innerHTML = document.getElementById("text-" + photo_id).innerHTML;
	_typeface_js.replaceText(document.getElementById("about_text")); 
}