yay

index.html

 		position: absolute;
 		top: 6px;
 		right: 6px;
+		backgrounud: white;
 		display: none;
 	}
 	#_msg.active {
 	._content img.fullscreen {
 		width: auto;
 	}
+	._content img.fullscreen.stretch {
+		width: 100%;
+	}
 
 	#_overlay {
 		transition: opacity <<transition_time>>s;
 		<!-- Fetch polyfill -->
 		<script src="/polyfills.js"></script>
 
-<!-- Handle reloading -->
 <script>
-</script>
-<script>
-
 	(function fullscreen() {
 		var elem = document.body;
 		var rFS = elem.requestFullScreen ||

server.js

 	var currentSlide = null;
 	var awaiters = [];
 	var slides = [];
+	var slideIndex = 0;
+	var nextTimeout;
 
 	self.sendEvent = function(evt, args) {
 		var str = JSON.stringify({ evt: evt, args: args });
 		}
 	}
 
+	function next() {
+		slideIndex += 1;
+
+		// Go to the next slide, or restart
+		if ((slideIndex >= slides.length)
+		||  (!slides[slideIndex].dirExists())) {
+			clearTimeout(nextTimeout);
+			init();
+		} else {
+			currentSlide = slides[slideIndex];
+			nextTimeout = setTimeout(next, changeInterval);
+		}
+
+		// End all awaiting connections to notify slide change
+		self.sendEvent("next", { name: currentSlide.name });
+	}
+
+	self.next = next;
+
 	// This function starts the slideshow and goes through the slides
 	// one by one. When done, it starts again by calling this function again.
 	function init() {
 			.sort()
 			.map(file => Slide(pathlib.join(dir, file)));
 
-		var slideIndex = 0;
+		slideIndex = 0;
 		currentSlide = slides[slideIndex];
 
-		var interval = setInterval(() => {
-			slideIndex += 1;
-
-			// Go to the next slide, or restart
-			if ((slideIndex >= slides.length)
-			||  (!slides[slideIndex].dirExists())) {
-				clearInterval(interval);
-				init();
-			} else {
-				currentSlide = slides[slideIndex];
-			}
-
-			// End all awaiting connections to notify slide change
-			self.sendEvent("next", { name: currentSlide.name });
-		}, changeInterval);
+		nextTimeout = setTimeout(next, changeInterval);
 	}
 	init();
 
 
 var slideshow = Slideshow(conf.slides, conf.interval);
 
-function onexit() {
+function onexit(code) {
+	console.log("exiting", code);
 	slideshow.sendEvent("reload");
 	process.exit();
 }
 process.on("SIGINT", onexit);
 process.on("SIGTERM", onexit);
 
+process.on("uncaughtException", onexit);
+
 var server = http.createServer((req, res) => {
 	slideshow.serve(req, res);
 });
 server.on("error", err => {
-	console.error(err.toString());
+	console.error(err);
 	system.exit(1);
 });
 server.listen(conf.port);