diff --git a/build/js/ox.js b/build/js/ox.js
index ed0bf3da..7df49674 100644
--- a/build/js/ox.js
+++ b/build/js/ox.js
@@ -804,7 +804,7 @@ Encoding functions
         str = Ox.encodeUTF8(str);
         var len = str.length, c = Ox.canvas(Math.ceil((4 + len) / 3), 1), data;
         str = Ox.pad(Ox.encodeBase256(len), 4, Ox.char(0)) + str +
-            + Ox.repeat("\u00FF", (4 - len % 4) % 4); // simpler? Ox.pad()?
+                Ox.repeat("\u00FF", (4 - len % 4) % 4); // simpler? Ox.pad()?
         /* fixme: why does map not work here?
         c.data = $.map(c.data, function(v, i) {
             return i % 4 < 3 ? str.charCodeAt(i - parseInt(i / 4)) : 255;
@@ -815,7 +815,7 @@ Encoding functions
         }
         c.context.putImageData(c.imageData, 0, 0);
         data = atob(c.canvas.toDataURL().split(",")[1]);
-        Ox.print("deflate", len, "->", data.length - 20);
+        //Ox.print("deflate", len, "->", data.length - 20);
         return data.substr(8, data.length - 20);
     }
 
@@ -823,7 +823,7 @@ Encoding functions
         var image = new Image();
         image.src = "data:image/png;base64," + btoa("\u0089PNG\r\n\u001A\n" +
                 str + Ox.repeat("\u0000", 4) + "IEND\u00AEB`\u0082");
-        while(!image.width) {}
+        while (!image.width) {} // wait for image data
         str = Ox.map(Ox.canvas(image).data, function(v, i) {
             return i % 4 < 3 ? Ox.char(v) : "";
         }).join("");
diff --git a/build/js/ox.ui.js b/build/js/ox.ui.js
index 18deb2cc..cc3b9f1e 100644
--- a/build/js/ox.ui.js
+++ b/build/js/ox.ui.js
@@ -1354,13 +1354,13 @@ requires
         function mousedownLayer() {
             that.$layer.stop().animate({
                 opacity: 0.5
-            }, 100);
+            }, 50);
         }
 
         function mouseupLayer() {
             that.$layer.stop().animate({
                 opacity: 0
-            }, 100);
+            }, 50);
         }
 
         function reset() {