diff --git a/web/js/010-libphotofloat.js b/web/js/010-libphotofloat.js
index a700705..7a3ced0 100644
--- a/web/js/010-libphotofloat.js
+++ b/web/js/010-libphotofloat.js
@@ -1,161 +1,167 @@
 (function() {
-	var PhotoFloat = (function() {
-		PhotoFloat.cachePath = function(path) {
-			if (path === "")
-				return "root";
-			if (path[0] === "/")
-				path = path.substring(1);
-			path = path
-				.replace(/ /g, "_")
-				.replace(/\//g, "-")
-				.replace(/\(/g, "")
-				.replace(/\)/g, "")
-				.replace(/#/g, "")
-				.replace(/&/g, "")
-				.replace(/,/g, "")
-				.replace(/\[/g, "")
-				.replace(/\]/g, "")
-				.replace(/"/g, "")
-				.replace(/'/g, "")
-				.replace(/_-_/g, "-")
-				.toLowerCase();
-			while (path.indexOf("--") !== -1)
-				path = path.replace(/--/g, "-");
-			while (path.indexOf("__") !== -1)
-				path = path.replace(/__/g, "_");
-			return path;
-		};
-		PhotoFloat.photoHash = function(album, photo) {
-			return PhotoFloat.albumHash(album) + "/" + PhotoFloat.cachePath(photo.name);
-		};
-		PhotoFloat.albumHash = function(album) {
-			if (typeof album.photos !== "undefined" && album.photos !== null)
-				return PhotoFloat.cachePath(album.path);
-			return PhotoFloat.cachePath(album.parent.path + "/" + album.path);
-		};
-		PhotoFloat.photoPath = function(album, photo, size, square) {
-			var suffix;
-			if (square)
-				suffix = size.toString() + "s";
-			else
-				suffix = size.toString();
-			return "cache/" + PhotoFloat.cachePath(PhotoFloat.photoHash(album, photo) + "_" + suffix + ".jpg");
-		};
-		PhotoFloat.originalPhotoPath = function(album, photo) {
-			return "albums/" + album.path + "/" + photo.name;
-		};
-		PhotoFloat.trimExtension = function(name) {
-			var index = name.lastIndexOf(".");
-			if (index !== -1)
-				return name.substring(0, index);
-			return name;
-		};
-		PhotoFloat.cleanHash = function(hash) {
-			while (hash.length) {
-				if (hash[0] === "#")
-					hash = hash.substring(1);
-				else if (hash[0] === "!")
-					hash = hash.substring(1);
-				else if (hash[0] === "/")
-					hash = hash.substring(1);
-				else if (hash[hash.length - 1] === "/")
-					hash = hash.substring(0, hash.length - 1);
-				else
-					break;
-			}
-			return hash;
-		};
-		function PhotoFloat() {
-			this.albumCache = [];
+	/* constructor */
+	function PhotoFloat() {
+		this.albumCache = [];
+	}
+	
+	/* public member functions */
+	PhotoFloat.prototype.album = function(subalbum, callback, error) {
+		var cacheKey, ajaxOptions, self;
+		if (typeof subalbum.photos !== "undefined" && subalbum.photos !== null) {
+			callback(subalbum);
+			return;
 		}
-		PhotoFloat.prototype.cachePath = PhotoFloat.cachePath;
-		PhotoFloat.prototype.photoHash = PhotoFloat.photoHash;
-		PhotoFloat.prototype.albumHash = PhotoFloat.albumHash;
-		PhotoFloat.prototype.photoPath = PhotoFloat.photoPath;
-		PhotoFloat.prototype.originalPhotoPath = PhotoFloat.originalPhotoPath;
-		PhotoFloat.prototype.trimExtension = PhotoFloat.trimExtension;
-		PhotoFloat.prototype.cleanHash = PhotoFloat.cleanHash;
-		PhotoFloat.prototype.album = function(subalbum, callback, error) {
-			var cacheKey, ajaxOptions, self;
-			if (typeof subalbum.photos !== "undefined" && subalbum.photos !== null) {
-				callback(subalbum);
-				return;
+		if (Object.prototype.toString.call(subalbum).slice(8, -1) === "String")
+			cacheKey = subalbum;
+		else
+			cacheKey = PhotoFloat.cachePath(subalbum.parent.path + "/" + subalbum.path);
+		if (this.albumCache.hasOwnProperty(cacheKey)) {
+			callback(this.albumCache[cacheKey]);
+			return;
+		}
+		self = this;
+		ajaxOptions = {
+			type: "GET",
+			dataType: "json",
+			url: "cache/" + cacheKey + ".json",
+			success: function(album) {
+				var i;
+				for (i = 0; i < album.albums.length; ++i)
+					album.albums[i].parent = album;
+				for (i = 0; i < album.photos.length; ++i)
+					album.photos[i].parent = album;
+				self.albumCache[cacheKey] = album;
+				callback(album);
 			}
-			if (Object.prototype.toString.call(subalbum).slice(8, -1) === "String")
-				cacheKey = subalbum;
-			else
-				cacheKey = PhotoFloat.cachePath(subalbum.parent.path + "/" + subalbum.path);
-			if (this.albumCache.hasOwnProperty(cacheKey)) {
-				callback(this.albumCache[cacheKey]);
-				return;
-			}
-			self = this;
-			ajaxOptions = {
-				type: "GET",
-				dataType: "json",
-				url: "cache/" + cacheKey + ".json",
-				success: function(album) {
-					var i;
-					for (i = 0; i < album.albums.length; ++i)
-						album.albums[i].parent = album;
-					for (i = 0; i < album.photos.length; ++i)
-						album.photos[i].parent = album;
-					self.albumCache[cacheKey] = album;
-					callback(album);
-				}
-			};
-			if (typeof error !== "undefined" && error !== null)
-				ajaxOptions.error = error;
-			$.ajax(ajaxOptions);
 		};
-		PhotoFloat.prototype.albumPhoto = function(subalbum, callback, error) {
-			var nextAlbum, self;
-			self = this;
-			nextAlbum = function(album) {
-				var index = Math.floor(Math.random() * (album.photos.length + album.albums.length));
-				if (index >= album.photos.length) {
-					index -= album.photos.length;
-					self.album(album.albums[index], nextAlbum, error);
-				} else
-					callback(album, album.photos[index]);
-			};
-			if (typeof subalbum.photos !== "undefined" && subalbum.photos !== null)
-				nextAlbum(subalbum);
-			else
-				this.album(subalbum, nextAlbum, error);
+		if (typeof error !== "undefined" && error !== null)
+			ajaxOptions.error = error;
+		$.ajax(ajaxOptions);
+	};
+	PhotoFloat.prototype.albumPhoto = function(subalbum, callback, error) {
+		var nextAlbum, self;
+		self = this;
+		nextAlbum = function(album) {
+			var index = Math.floor(Math.random() * (album.photos.length + album.albums.length));
+			if (index >= album.photos.length) {
+				index -= album.photos.length;
+				self.album(album.albums[index], nextAlbum, error);
+			} else
+				callback(album, album.photos[index]);
 		};
-		PhotoFloat.prototype.parseHash = function(hash, callback, error) {
-			var index, album, photo;
-			hash = PhotoFloat.cleanHash(hash);
-			index = hash.lastIndexOf("/");
-			if (!hash.length) {
-				album = PhotoFloat.cachePath("root");
-				photo = null;
-			} else if (index !== -1 && index !== hash.length - 1) {
-				photo = hash.substring(index + 1);
-				album = hash.substring(0, index);
-			} else {
-				album = hash;
-				photo = null;
-			}
-			this.album(album, function(theAlbum) {
-				var i = -1;
-				if (photo !== null) {
-					for (i = 0; i < theAlbum.photos.length; ++i) {
-						if (PhotoFloat.cachePath(theAlbum.photos[i].name) === photo) {
-							photo = theAlbum.photos[i];
-							break;
-						}
-					}
-					if (i >= theAlbum.photos.length) {
-						photo = null;
-						i = -1;
+		if (typeof subalbum.photos !== "undefined" && subalbum.photos !== null)
+			nextAlbum(subalbum);
+		else
+			this.album(subalbum, nextAlbum, error);
+	};
+	PhotoFloat.prototype.parseHash = function(hash, callback, error) {
+		var index, album, photo;
+		hash = PhotoFloat.cleanHash(hash);
+		index = hash.lastIndexOf("/");
+		if (!hash.length) {
+			album = PhotoFloat.cachePath("root");
+			photo = null;
+		} else if (index !== -1 && index !== hash.length - 1) {
+			photo = hash.substring(index + 1);
+			album = hash.substring(0, index);
+		} else {
+			album = hash;
+			photo = null;
+		}
+		this.album(album, function(theAlbum) {
+			var i = -1;
+			if (photo !== null) {
+				for (i = 0; i < theAlbum.photos.length; ++i) {
+					if (PhotoFloat.cachePath(theAlbum.photos[i].name) === photo) {
+						photo = theAlbum.photos[i];
+						break;
 					}
 				}
-				callback(theAlbum, photo, i);
-			}, error);
-		};
-		return PhotoFloat;
-	})();
+				if (i >= theAlbum.photos.length) {
+					photo = null;
+					i = -1;
+				}
+			}
+			callback(theAlbum, photo, i);
+		}, error);
+	};
+	
+	/* static functions */
+	PhotoFloat.cachePath = function(path) {
+		if (path === "")
+			return "root";
+		if (path[0] === "/")
+			path = path.substring(1);
+		path = path
+			.replace(/ /g, "_")
+			.replace(/\//g, "-")
+			.replace(/\(/g, "")
+			.replace(/\)/g, "")
+			.replace(/#/g, "")
+			.replace(/&/g, "")
+			.replace(/,/g, "")
+			.replace(/\[/g, "")
+			.replace(/\]/g, "")
+			.replace(/"/g, "")
+			.replace(/'/g, "")
+			.replace(/_-_/g, "-")
+			.toLowerCase();
+		while (path.indexOf("--") !== -1)
+			path = path.replace(/--/g, "-");
+		while (path.indexOf("__") !== -1)
+			path = path.replace(/__/g, "_");
+		return path;
+	};
+	PhotoFloat.photoHash = function(album, photo) {
+		return PhotoFloat.albumHash(album) + "/" + PhotoFloat.cachePath(photo.name);
+	};
+	PhotoFloat.albumHash = function(album) {
+		if (typeof album.photos !== "undefined" && album.photos !== null)
+			return PhotoFloat.cachePath(album.path);
+		return PhotoFloat.cachePath(album.parent.path + "/" + album.path);
+	};
+	PhotoFloat.photoPath = function(album, photo, size, square) {
+		var suffix;
+		if (square)
+			suffix = size.toString() + "s";
+		else
+			suffix = size.toString();
+		return "cache/" + PhotoFloat.cachePath(PhotoFloat.photoHash(album, photo) + "_" + suffix + ".jpg");
+	};
+	PhotoFloat.originalPhotoPath = function(album, photo) {
+		return "albums/" + album.path + "/" + photo.name;
+	};
+	PhotoFloat.trimExtension = function(name) {
+		var index = name.lastIndexOf(".");
+		if (index !== -1)
+			return name.substring(0, index);
+		return name;
+	};
+	PhotoFloat.cleanHash = function(hash) {
+		while (hash.length) {
+			if (hash[0] === "#")
+				hash = hash.substring(1);
+			else if (hash[0] === "!")
+				hash = hash.substring(1);
+			else if (hash[0] === "/")
+				hash = hash.substring(1);
+			else if (hash[hash.length - 1] === "/")
+				hash = hash.substring(0, hash.length - 1);
+			else
+				break;
+		}
+		return hash;
+	};
+	
+	/* make static methods callable as member functions */
+	PhotoFloat.prototype.cachePath = PhotoFloat.cachePath;
+	PhotoFloat.prototype.photoHash = PhotoFloat.photoHash;
+	PhotoFloat.prototype.albumHash = PhotoFloat.albumHash;
+	PhotoFloat.prototype.photoPath = PhotoFloat.photoPath;
+	PhotoFloat.prototype.originalPhotoPath = PhotoFloat.originalPhotoPath;
+	PhotoFloat.prototype.trimExtension = PhotoFloat.trimExtension;
+	PhotoFloat.prototype.cleanHash = PhotoFloat.cleanHash;
+	
+	/* expose class globally */
 	window.PhotoFloat = PhotoFloat;
-}).call(this);
+}());