Fixed for layouts without oUF Castbar

diff --git a/oUF_BarFader/oUF_BarFader.lua b/oUF_BarFader/oUF_BarFader.lua
index d9299f6..91fcb73 100644
--- a/oUF_BarFader/oUF_BarFader.lua
+++ b/oUF_BarFader/oUF_BarFader.lua
@@ -9,23 +9,23 @@ local function UpdateElement(self)
 		self:SetAlpha(1)
 	elseif(UnitExists('target')) then
 		self:SetAlpha(1)
-	elseif(self.Castbar.casting) then
-		self:SetAlpha(1)
+	elseif(self.Castbar) then
+		self:SetAlpha(self.Castbar.casting and 1 or (self.BarFadeAlpha or 0.25))
 	else
-		self:SetAlpha(self.BarFade.alpha or 0.25)
+		self:SetAlpha(self.BarFadeAlpha or 0.25)
 	end
 end

 oUF:RegisterInitCallback(function(self)
 	local unit = self.unit
 	if(self.BarFade) then
-		local val = 0
+		local total = 0
 		local event = CreateFrame('Frame')
-		event:SetScript('OnUpdate', function(_, al)
-			val = val + al
-			if(val > 0.25) then
+		event:SetScript('OnUpdate', function(_, elapsed)
+			total = total + elapsed
+			if(total > 0.25) then
 				UpdateElement(self)
-				val = 0
+				total = 0
 			end
 		end)
 	end