fancier animation, no longer tries to show slides with no index.html

index.html

 		text-align: center;
 	}
 
-	._content h1 { font-size: 5em }
-	._content h2 { font-size: 4.5em }
-	._content h3 { font-size: 4em }
+	._content h1 { font-size: 7em }
+	._content h2 { font-size: 6.5em }
+	._content h3 { font-size: 5em }
 
 	._content p { font-size: 2.2em }
 
 	}
 
 	#_overlay {
-		transition: opacity <<transition_time>>s;
+		transition: opacity <<transition_time>>s, transform <<transition_time>>s;
 		opacity: 1;
 	}
 	#_overlay.hidden {
 		opacity: 0;
+		transform: scale(1.1);
 	}
 </style>
 	</head>

server.js

 		sendfile(res, pathlib.join(dir, name));
 	}
 
-	self.dirExists = function() {
+	self.indexExists = function() {
 		try {
-			fs.accessSync(dir, fs.F_OK);
+			fs.accessSync(pathlib.join(dir, "index.html"));
 			return true;
 		} catch (err) {
 			return false;
 		slideIndex += 1;
 
 		// Go to the next slide, or restart
-		if ((slideIndex >= slides.length)
-		||  (!slides[slideIndex].dirExists())) {
+		if ((slideIndex >= slides.length)) {
 			clearTimeout(nextTimeout);
 			init();
 		} else {
 			nextTimeout = setTimeout(next, changeInterval);
 		}
 
-		// End all awaiting connections to notify slide change
-		self.sendEvent("next", { name: currentSlide.name });
+		// End all awaiting connections to notify slide change,
+		if (currentSlide.indexExists()) {
+			self.sendEvent("next", { name: currentSlide.name });
+
+		// Or go to the next slide if the current one doesn't have an index.html
+		} else {
+			clearTimeout(nextTimeout);
+			setTimeout(next, 0);
+		}
 	}
 
 	self.next = next;