diff --git a/image.py b/image.py
index 1fbe170..b647573 100644
--- a/image.py
+++ b/image.py
@@ -13,7 +13,8 @@ class ImageWindow:
         self.window.geometry("1280x1024")
         self.option = {
             "bw": False,
-            "mirror": False
+            "mirror": False,
+            "always_on_top": False,
         }
         self.images = []
         self.current_image = None
@@ -23,6 +24,7 @@ class ImageWindow:
         self.timer = 0
         self.timer_label = None
         self.timer_check = None
+        self.timer_check = None
 
         next_button = Button(toolbar, relief=FLAT, compound=LEFT, text="next ➡️", command=self.next_image)
         next_button.pack(side=LEFT, padx=0, pady=0)
@@ -38,6 +40,11 @@ class ImageWindow:
                                          , text="open folder")
         self.open_folder_button.pack(side=LEFT, padx=0, pady=0)
 
+        self.always_on_top_button = Button(toolbar, relief=FLAT, compound=LEFT, command=self.toggle_always_on_top
+                                         , text="always on top")
+        self.always_on_top_button.pack(side=LEFT, padx=0, pady=0)
+        self.always_on_top_check = None
+
         self.timer_button = Button(toolbar, relief=FLAT, compound=LEFT, command=self.toggle_timer, text="timer")
         self.timer_button.pack(side=LEFT, padx=0, pady=0)
 
@@ -84,14 +91,24 @@ class ImageWindow:
     def open_folder(self):
         os.startfile(self.app.selected_folder)
 
+    def toggle_always_on_top(self):
+        self.option["always_on_top"] = not self.option["always_on_top"]
+        if self.option["always_on_top"]:
+            self.always_on_top_button.config(bg="blue")
+            self.stay_on_top()
+        else:
+            self.always_on_top_button.config(bg="grey85")
+            self.window.after_cancel(self.always_on_top_check)
+
+    def stay_on_top(self):
+        # self.window.lift()
+        self.window.attributes('-topmost', True)
+        self.always_on_top_check = self.window.after(2000, self.stay_on_top)
+
     def lets_draw(self, images, timer):
         random.shuffle(images)
         self.images = images
         self.timer = timer
-
-        # canvas = Canvas(self.window)
-        # canvas.pack(fill=BOTH, expand=1)
-
         self.next_image()
 
     def display_new_timer(self):