diff --git a/galleryscript.js b/galleryscript.js
index 4d9e2ed..e838daf 100644
--- a/galleryscript.js
+++ b/galleryscript.js
@@ -550,6 +550,10 @@ function keypressed(e) {
     if (unicode==88) {
         markitem(currentimage);   
     }
+    // f: fullscreen
+    if (unicode==70) {
+        flipfullscreen();
+    }
     if (slideshowinterval!=0) {
         clearInterval(slideshowtimer);
         slideshowtimer=setInterval('slidenext()',1000*Math.abs(slideshowinterval));