fix effects

modules/core_lib/effects.lua

@@ -3,7 +3,7 @@ Effects = {}
 function Effects.fadeIn(widget, time, elapsed)
     if not elapsed then elapsed = 0 end
     if not time then time = 250 end
-    widget:setOpacity(math.min((255*elapsed)/time, 255))
+    widget:setOpacity(math.min(elapsed/time, 1))
     if elapsed < time then
         scheduleEvent(function()
                         Effects.fadeIn(widget, time, elapsed + 30)
@@ -14,7 +14,7 @@ end
 function Effects.fadeOut(widget, time, elapsed)
     if not elapsed then elapsed = 0 end
     if not time then time = 250 end
-    widget:setOpacity((255*(time - elapsed))/time)
+    widget:setOpacity((time - elapsed)/time)
     if elapsed < time then
         scheduleEvent(function()
                         Effects.fadeOut(widget, time, elapsed + 30)