function ResetButtonColor(M)local c=M.Active M.Active=not c M.Active=c end function ArrowGraphic(M,c,Z,N)local z=Create("\070\114\097\109\101",{Name="\065\114\114\111\119 \071\114\097\112\104\105\099",BorderSizePixel=0;Size=UDim2.new(0,M,0,M);Transparency=1})if not N then N=Instance.new("\070\114\097\109\101")N.BorderSizePixel=0 end local C if c==nil or c=="\085\112"then function C(M,c)return M,c end elseif c=="\068\111\119\110"then function C(c,Z)return UDim2.new(0,c.X.Offset,0,(M-c.Y.Offset)-1),Z end elseif c=="\076\101\102\116"then function C(M,c)return UDim2.new(0,M.Y.Offset,0,M.X.Offset),UDim2.new(0,c.Y.Offset,0,c.X.Offset)end elseif c=="\082\105\103\104\116"then function C(c,Z)return UDim2.new(0,(M-c.Y.Offset)-1,0,c.X.Offset),UDim2.new(0,Z.Y.Offset,0,Z.X.Offset)end end local O if Z then function O(c,Z)return UDim2.new(c.X.Offset/M,0,c.Y.Offset/M,0),UDim2.new(Z.X.Offset/M,0,Z.Y.Offset/M,0)end else function O(M,c)return M,c end end local t=math.floor(M/4)if M%2==0 then local c=M/2-1 for M=0,c,1 do local Z=N:Clone()local L,i=O(C(UDim2.new(0,c-M,0,t+M),UDim2.new(0,(M+1)*2,0,1)))Z.Position=L Z.Size=i Z.Parent=z end else local c=(M-1)/2 for M=0,c,1 do local Z=N:Clone()local L,i=O(C(UDim2.new(0,c-M,0,t+M),UDim2.new(0,M*2+1,0,1)))Z.Position=L Z.Size=i Z.Parent=z end end if M%4>1 then local c=N:Clone()local Z,L=O(C(UDim2.new(0,0,0,(M-t)-1),UDim2.new(0,M,0,1)))c.Position=Z c.Size=L c.Parent=z end return z end function GripGraphic(M,c,Z,N,z)local C=Create("\070\114\097\109\101",{Name="\071\114\105\112 \071\114\097\112\104\105\099";BorderSizePixel=0,Size=UDim2.new(0,M.x,0,M.y);Transparency=1})if not z then z=Instance.new("\070\114\097\109\101")z.BorderSizePixel=0 end Z=Z or 2 local O if N then function O(c)return UDim2.new(c.X.Offset/M.x,0,c.Y.Offset/M.y,0)end else function O(M)return M end end if c=="\086\101\114\116\105\099\097\108"then for c=0,M.x-1,Z do local Z=z:Clone()Z.Size=O(UDim2.new(0,1,0,M.y))Z.Position=O(UDim2.new(0,c,0,0))Z.Parent=C end elseif c==nil or c=="\072\111\114\105\122\111\110\116\097\108"then for c=0,M.y-1,Z do local Z=z:Clone()Z.Size=O(UDim2.new(0,M.x,0,1))Z.Position=O(UDim2.new(0,0,0,c))Z.Parent=C end end return C end do local M={__index={GetScrollPercent=function(M)return M.ScrollIndex/(M.TotalSpace-M.VisibleSpace)end,CanScrollDown=function(M)return M.ScrollIndex+M.VisibleSpace<M.TotalSpace end,CanScrollUp=function(M)return M.ScrollIndex>0 end,ScrollDown=function(M)M.ScrollIndex=M.ScrollIndex+M.PageIncrement M:Update()end,ScrollUp=function(M)M.ScrollIndex=M.ScrollIndex-M.PageIncrement M:Update()end;ScrollTo=function(M,c)M.ScrollIndex=c M:Update()end;SetScrollPercent=function(M,c)M.ScrollIndex=math.floor((M.TotalSpace-M.VisibleSpace)*c+.5)M:Update()end}}M.__index.CanScrollRight=M.__index.CanScrollDown M.__index.CanScrollLeft=M.__index.CanScrollUp M.__index.ScrollLeft=M.__index.ScrollUp M.__index.ScrollRight=M.__index.ScrollDown function ScrollBar(c)local Z=Create("\070\114\097\109\101",{Name="\083\099\114\111\108\108\070\114\097\109\101";Position=c and UDim2.new(0,0,1,-ScrollBarWidth)or UDim2.new(1,-ScrollBarWidth,0,0);Size=c and UDim2.new(1,0,0,ScrollBarWidth)or UDim2.new(0,ScrollBarWidth,1,0);BackgroundTransparency=1;Create("\073\109\097\103\101\066\117\116\116\111\110",{Name="\083\099\114\111\108\108\068\111\119\110";Position=c and UDim2.new(1,-ScrollBarWidth,0,0)or UDim2.new(0,0,1,-ScrollBarWidth);Size=UDim2.new(0,ScrollBarWidth,0,ScrollBarWidth);BackgroundColor3=ScrollStyles.Button,BorderColor3=ScrollStyles.Border});Create("\073\109\097\103\101\066\117\116\116\111\110",{Name="\083\099\114\111\108\108\085\112",Size=UDim2.new(0,ScrollBarWidth,0,ScrollBarWidth);BackgroundColor3=ScrollStyles.Button;BorderColor3=ScrollStyles.Border}),Create("\073\109\097\103\101\066\117\116\116\111\110",{Name="\083\099\114\111\108\108\066\097\114",Size=c and UDim2.new(1,-ScrollBarWidth*2,1,0)or UDim2.new(1,0,1,-ScrollBarWidth*2),Position=c and UDim2.new(0,ScrollBarWidth,0,0)or UDim2.new(0,0,0,ScrollBarWidth),AutoButtonColor=false,BackgroundColor3=Color3.new(.94902,.94902,.94902),BorderColor3=ScrollStyles.Border;Create("\073\109\097\103\101\066\117\116\116\111\110",{Name="\083\099\114\111\108\108\084\104\117\109\098";AutoButtonColor=false,Size=UDim2.new(0,ScrollBarWidth,0,ScrollBarWidth),BackgroundColor3=ScrollStyles.Button;BorderColor3=ScrollStyles.Border})})})local N=Create("\070\114\097\109\101",{Name="\071\114\097\112\104\105\099",BorderSizePixel=0;BackgroundColor3=ScrollStyles.Border})local z=ScrollBarWidth/2 local C=Z.ScrollDown local O=ArrowGraphic(z,c and"\082\105\103\104\116"or"\068\111\119\110",true,N)O.Position=UDim2.new(.5,-z/2,.5,-z/2)O.Parent=C local t=Z.ScrollUp local L=ArrowGraphic(z,c and"\076\101\102\116"or"\085\112",true,N)L.Position=UDim2.new(.5,-z/2,.5,-z/2)L.Parent=t local i=Z.ScrollBar local H=i.ScrollThumb do local M=(ScrollBarWidth*3)/8 local Z=GripGraphic(Vector2.new(M,M),c and"\086\101\114\116\105\099\097\108"or"\072\111\114\105\122\111\110\116\097\108",2,N)Z.Position=UDim2.new(.5,-M/2,.5,-M/2)Z.Parent=H end local F=Create("\073\109\097\103\101\066\117\116\116\111\110",{Name="\077\111\117\115\101\068\114\097\103";Position=UDim2.new(-0.25,0,-0.25,0),Size=UDim2.new(1.5,0,1.5,0),Transparency=1,AutoButtonColor=false,Active=true,ZIndex=10})local U=setmetatable({GUI=Z;ScrollIndex=0;VisibleSpace=0,TotalSpace=0;PageIncrement=1},M)local n if c then function n()H.Size=UDim2.new(U.VisibleSpace/U.TotalSpace,0,0,ScrollBarWidth)if H.AbsoluteSize.x<ScrollBarWidth then H.Size=UDim2.new(0,ScrollBarWidth,0,ScrollBarWidth)end local M=i.AbsoluteSize.x H.Position=UDim2.new((U:GetScrollPercent()*(M-H.AbsoluteSize.x))/M,0,0,0)end else function n()H.Size=UDim2.new(0,ScrollBarWidth,U.VisibleSpace/U.TotalSpace,0)if H.AbsoluteSize.y<ScrollBarWidth then H.Size=UDim2.new(0,ScrollBarWidth,0,ScrollBarWidth)end local M=i.AbsoluteSize.y H.Position=UDim2.new(0,0,(U:GetScrollPercent()*(M-H.AbsoluteSize.y))/M,0)end end local S local B local D={BackgroundColor3=ScrollStyles.Border,BackgroundTransparency=0}local y={BackgroundColor3=ScrollStyles.Border,BackgroundTransparency=.7}local function x()local M=U.TotalSpace local c=U.VisibleSpace local Z=U.ScrollIndex if c<=M then if Z>0 then if Z+c>M then U.ScrollIndex=M-c end else U.ScrollIndex=0 end else U.ScrollIndex=0 end if U.UpdateCallback then if U.UpdateCallback(U)==false then return end end local N=U:CanScrollDown()local z=U:CanScrollUp()if N~=S then S=N C.Active=N C.AutoButtonColor=N local M=O:GetChildren()local c=N and D or y for Z=1,#M,1 do Create(M[Z],c)end end if z~=B then B=z t.Active=z t.AutoButtonColor=z local M=L:GetChildren()local c=z and D or y for Z=1,#M,1 do Create(M[Z],c)end end H.Visible=N or z n()end U.Update=x SetZIndexOnChanged(Z)local r=0 C.MouseButton1Down:connect(function()r=tick()local M=r local c c=F.MouseButton1Up:connect(function()r=tick()F.Parent=nil ResetButtonColor(C)c:disconnect()drag=nil end)F.Parent=GetScreen(Z)U:ScrollDown()wait(.2)while r==M do U:ScrollDown()if not U:CanScrollDown()then break end wait()end end)C.MouseButton1Up:connect(function()r=tick()end)t.MouseButton1Down:connect(function()r=tick()local M=r local c c=F.MouseButton1Up:connect(function()r=tick()F.Parent=nil ResetButtonColor(t)c:disconnect()drag=nil end)F.Parent=GetScreen(Z)U:ScrollUp()wait(.2)while r==M do U:ScrollUp()if not U:CanScrollUp()then break end wait()end end)t.MouseButton1Up:connect(function()r=tick()end)if c then i.MouseButton1Down:connect(function(M,c)r=tick()local N=r local z z=F.MouseButton1Up:connect(function()r=tick()F.Parent=nil ResetButtonColor(t)z:disconnect()drag=nil end)F.Parent=GetScreen(Z)if M>H.AbsolutePosition.x then U:ScrollTo(U.ScrollIndex+U.VisibleSpace)wait(.2)while r==N do if M<H.AbsolutePosition.x+H.AbsoluteSize.x then break end U:ScrollTo(U.ScrollIndex+U.VisibleSpace)wait()end else U:ScrollTo(U.ScrollIndex-U.VisibleSpace)wait(.2)while r==N do if M>H.AbsolutePosition.x then break end U:ScrollTo(U.ScrollIndex-U.VisibleSpace)wait()end end end)else i.MouseButton1Down:connect(function(M,c)r=tick()local N=r local z z=F.MouseButton1Up:connect(function()r=tick()F.Parent=nil ResetButtonColor(t)z:disconnect()drag=nil end)F.Parent=GetScreen(Z)if c>H.AbsolutePosition.y then U:ScrollTo(U.ScrollIndex+U.VisibleSpace)wait(.2)while r==N do if c<H.AbsolutePosition.y+H.AbsoluteSize.y then break end U:ScrollTo(U.ScrollIndex+U.VisibleSpace)wait()end else U:ScrollTo(U.ScrollIndex-U.VisibleSpace)wait(.2)while r==N do if c>H.AbsolutePosition.y then break end U:ScrollTo(U.ScrollIndex-U.VisibleSpace)wait()end end end)end if c then H.MouseButton1Down:connect(function(M,c)r=tick()local N=M-H.AbsolutePosition.x local z local C z=F.MouseMoved:connect(function(M,c)local Z=i.AbsolutePosition.x local z=i.AbsoluteSize.x-H.AbsoluteSize.x local C=Z+z M=M-N M=M<Z and Z or M>C and C or M M=M-Z U:SetScrollPercent(M/z)end)C=F.MouseButton1Up:connect(function()r=tick()F.Parent=nil ResetButtonColor(H)z:disconnect()z=nil C:disconnect()drag=nil end)F.Parent=GetScreen(Z)end)else H.MouseButton1Down:connect(function(M,c)r=tick()local N=c-H.AbsolutePosition.y local z local C z=F.MouseMoved:connect(function(M,c)local Z=i.AbsolutePosition.y local z=i.AbsoluteSize.y-H.AbsoluteSize.y local C=Z+z c=c-N c=c<Z and Z or c>C and C or c c=c-Z U:SetScrollPercent(c/z)end)C=F.MouseButton1Up:connect(function()r=tick()F.Parent=nil ResetButtonColor(H)z:disconnect()z=nil C:disconnect()drag=nil end)F.Parent=GetScreen(Z)end)end function U.Destroy(M)Z:Destroy()F:Destroy()for M in pairs(U)do U[M]=nil end setmetatable(U,nil)end x()return U end end

function ResetButtonColor(button)
	local active = button.Active
	button.Active = not active
	button.Active = active
end

function ArrowGraphic(size,dir,scaled,template)
	local Frame = Create('Frame',{
		Name = "Arrow Graphic";
		BorderSizePixel = 0;
		Size = UDim2.new(0,size,0,size);
		Transparency = 1;
	})
	if not template then
		template = Instance.new("Frame")
		template.BorderSizePixel = 0
	end

	local transform
	if dir == nil or dir == 'Up' then
		function transform(p,s) return p,s end
	elseif dir == 'Down' then
		function transform(p,s) return UDim2.new(0,p.X.Offset,0,size-p.Y.Offset-1),s end
	elseif dir == 'Left' then
		function transform(p,s) return UDim2.new(0,p.Y.Offset,0,p.X.Offset),UDim2.new(0,s.Y.Offset,0,s.X.Offset) end
	elseif dir == 'Right' then
		function transform(p,s) return UDim2.new(0,size-p.Y.Offset-1,0,p.X.Offset),UDim2.new(0,s.Y.Offset,0,s.X.Offset) end
	end

	local scale
	if scaled then
		function scale(p,s) return UDim2.new(p.X.Offset/size,0,p.Y.Offset/size,0),UDim2.new(s.X.Offset/size,0,s.Y.Offset/size,0) end
	else
		function scale(p,s) return p,s end
	end

	local o = math.floor(size/4)
	if size%2 == 0 then
		local n = size/2-1
		for i = 0,n do
			local t = template:Clone()
			local p,s = scale(transform(
				UDim2.new(0,n-i,0,o+i),
				UDim2.new(0,(i+1)*2,0,1)
			))
			t.Position = p
			t.Size = s
			t.Parent = Frame
		end
	else
		local n = (size-1)/2
		for i = 0,n do
			local t = template:Clone()
			local p,s = scale(transform(
				UDim2.new(0,n-i,0,o+i),
				UDim2.new(0,i*2+1,0,1)
			))
			t.Position = p
			t.Size = s
			t.Parent = Frame
		end
	end
	if size%4 > 1 then
		local t = template:Clone()
		local p,s = scale(transform(
			UDim2.new(0,0,0,size-o-1),
			UDim2.new(0,size,0,1)
		))
		t.Position = p
		t.Size = s
		t.Parent = Frame
	end
	return Frame
end

function GripGraphic(size,dir,spacing,scaled,template)
	local Frame = Create('Frame',{
		Name = "Grip Graphic";
		BorderSizePixel = 0;
		Size = UDim2.new(0,size.x,0,size.y);
		Transparency = 1;
	})
	if not template then
		template = Instance.new("Frame")
		template.BorderSizePixel = 0
	end

	spacing = spacing or 2

	local scale
	if scaled then
		function scale(p) return UDim2.new(p.X.Offset/size.x,0,p.Y.Offset/size.y,0) end
	else
		function scale(p) return p end
	end

	if dir == 'Vertical' then
		for i=0,size.x-1,spacing do
			local t = template:Clone()
			t.Size = scale(UDim2.new(0,1,0,size.y))
			t.Position = scale(UDim2.new(0,i,0,0))
			t.Parent = Frame
		end
	elseif dir == nil or dir == 'Horizontal' then
		for i=0,size.y-1,spacing do
			local t = template:Clone()
			t.Size = scale(UDim2.new(0,size.x,0,1))
			t.Position = scale(UDim2.new(0,0,0,i))
			t.Parent = Frame
		end
	end

	return Frame
end

do
	local mt = {
		__index = {
			GetScrollPercent = function(self)
				return self.ScrollIndex/(self.TotalSpace-self.VisibleSpace)
			end;
			CanScrollDown = function(self)
				return self.ScrollIndex + self.VisibleSpace < self.TotalSpace
			end;
			CanScrollUp = function(self)
				return self.ScrollIndex > 0
			end;
			ScrollDown = function(self)
				self.ScrollIndex = self.ScrollIndex + self.PageIncrement
				self:Update()
			end;
			ScrollUp = function(self)
				self.ScrollIndex = self.ScrollIndex - self.PageIncrement
				self:Update()
			end;
			ScrollTo = function(self,index)
				self.ScrollIndex = index
				self:Update()
			end;
			SetScrollPercent = function(self,percent)
				self.ScrollIndex = math.floor((self.TotalSpace - self.VisibleSpace)*percent + 0.5)
				self:Update()
			end;
		};
	}
	mt.__index.CanScrollRight = mt.__index.CanScrollDown
	mt.__index.CanScrollLeft = mt.__index.CanScrollUp
	mt.__index.ScrollLeft = mt.__index.ScrollUp
	mt.__index.ScrollRight = mt.__index.ScrollDown

	function ScrollBar(horizontal)
		-- create row scroll bar
		local ScrollFrame = Create('Frame',{
			Name = "ScrollFrame";
			Position = horizontal and UDim2.new(0,0,1,-ScrollBarWidth) or UDim2.new(1,-ScrollBarWidth,0,0);
			Size = horizontal and UDim2.new(1,0,0,ScrollBarWidth) or UDim2.new(0,ScrollBarWidth,1,0);
			BackgroundTransparency = 1;
			Create('ImageButton',{
				Name = "ScrollDown";
				Position = horizontal and UDim2.new(1,-ScrollBarWidth,0,0) or UDim2.new(0,0,1,-ScrollBarWidth);
				Size = UDim2.new(0, ScrollBarWidth, 0, ScrollBarWidth);
				BackgroundColor3 = ScrollStyles.Button;
				BorderColor3 = ScrollStyles.Border;
				--BorderSizePixel = 0;
			});
			Create('ImageButton',{
				Name = "ScrollUp";
				Size = UDim2.new(0, ScrollBarWidth, 0, ScrollBarWidth);
				BackgroundColor3 = ScrollStyles.Button;
				BorderColor3 = ScrollStyles.Border;
				--BorderSizePixel = 0;
			});
			Create('ImageButton',{
				Name = "ScrollBar";
				Size = horizontal and UDim2.new(1,-ScrollBarWidth*2,1,0) or UDim2.new(1,0,1,-ScrollBarWidth*2);
				Position = horizontal and UDim2.new(0,ScrollBarWidth,0,0) or UDim2.new(0,0,0,ScrollBarWidth);
				AutoButtonColor = false;
				BackgroundColor3 = Color3.new(0.94902, 0.94902, 0.94902);
				BorderColor3 = ScrollStyles.Border;
				--BorderSizePixel = 0;
				Create('ImageButton',{
					Name = "ScrollThumb";
					AutoButtonColor = false;
					Size = UDim2.new(0, ScrollBarWidth, 0, ScrollBarWidth);
					BackgroundColor3 = ScrollStyles.Button;
					BorderColor3 = ScrollStyles.Border;
					--BorderSizePixel = 0;
				});
			});
		})

		local graphicTemplate = Create('Frame',{
			Name="Graphic";
			BorderSizePixel = 0;
			BackgroundColor3 = ScrollStyles.Border;
		})
		local graphicSize = ScrollBarWidth/2

		local ScrollDownFrame = ScrollFrame.ScrollDown
			local ScrollDownGraphic = ArrowGraphic(graphicSize,horizontal and 'Right' or 'Down',true,graphicTemplate)
			ScrollDownGraphic.Position = UDim2.new(0.5,-graphicSize/2,0.5,-graphicSize/2)
			ScrollDownGraphic.Parent = ScrollDownFrame
		local ScrollUpFrame = ScrollFrame.ScrollUp
			local ScrollUpGraphic = ArrowGraphic(graphicSize,horizontal and 'Left' or 'Up',true,graphicTemplate)
			ScrollUpGraphic.Position = UDim2.new(0.5,-graphicSize/2,0.5,-graphicSize/2)
			ScrollUpGraphic.Parent = ScrollUpFrame
		local ScrollBarFrame = ScrollFrame.ScrollBar
		local ScrollThumbFrame = ScrollBarFrame.ScrollThumb
		do
			local size = ScrollBarWidth*3/8
			local Decal = GripGraphic(Vector2.new(size,size),horizontal and 'Vertical' or 'Horizontal',2,graphicTemplate)
			Decal.Position = UDim2.new(0.5,-size/2,0.5,-size/2)
			Decal.Parent = ScrollThumbFrame
		end

		local MouseDrag = Create('ImageButton',{
			Name = "MouseDrag";
			Position = UDim2.new(-0.25,0,-0.25,0);
			Size = UDim2.new(1.5,0,1.5,0);
			Transparency = 1;
			AutoButtonColor = false;
			Active = true;
			ZIndex = 10;
		})

		local Class = setmetatable({
			GUI = ScrollFrame;
			ScrollIndex = 0;
			VisibleSpace = 0;
			TotalSpace = 0;
			PageIncrement = 1;
		},mt)

		local UpdateScrollThumb
		if horizontal then
			function UpdateScrollThumb()
				ScrollThumbFrame.Size = UDim2.new(Class.VisibleSpace/Class.TotalSpace,0,0,ScrollBarWidth)
				if ScrollThumbFrame.AbsoluteSize.x < ScrollBarWidth then
					ScrollThumbFrame.Size = UDim2.new(0,ScrollBarWidth,0,ScrollBarWidth)
				end
				local barSize = ScrollBarFrame.AbsoluteSize.x
				ScrollThumbFrame.Position = UDim2.new(Class:GetScrollPercent()*(barSize - ScrollThumbFrame.AbsoluteSize.x)/barSize,0,0,0)
			end
		else
			function UpdateScrollThumb()
				ScrollThumbFrame.Size = UDim2.new(0,ScrollBarWidth,Class.VisibleSpace/Class.TotalSpace,0)
				if ScrollThumbFrame.AbsoluteSize.y < ScrollBarWidth then
					ScrollThumbFrame.Size = UDim2.new(0,ScrollBarWidth,0,ScrollBarWidth)
				end
				local barSize = ScrollBarFrame.AbsoluteSize.y
				ScrollThumbFrame.Position = UDim2.new(0,0,Class:GetScrollPercent()*(barSize - ScrollThumbFrame.AbsoluteSize.y)/barSize,0)
			end
		end

		local lastDown
		local lastUp
		local scrollStyle = {BackgroundColor3=ScrollStyles.Border,BackgroundTransparency=0}
		local scrollStyle_ds = {BackgroundColor3=ScrollStyles.Border,BackgroundTransparency=0.7}

		local function Update()
			local t = Class.TotalSpace
			local v = Class.VisibleSpace
			local s = Class.ScrollIndex
			if v <= t then
				if s > 0 then
					if s + v > t then
						Class.ScrollIndex = t - v
					end
				else
					Class.ScrollIndex = 0
				end
			else
				Class.ScrollIndex = 0
			end

			if Class.UpdateCallback then
				if Class.UpdateCallback(Class) == false then
					return
				end
			end

			local down = Class:CanScrollDown()
			local up = Class:CanScrollUp()
			if down ~= lastDown then
				lastDown = down
				ScrollDownFrame.Active = down
				ScrollDownFrame.AutoButtonColor = down
				local children = ScrollDownGraphic:GetChildren()
				local style = down and scrollStyle or scrollStyle_ds
				for i = 1,#children do
					Create(children[i],style)
				end
			end
			if up ~= lastUp then
				lastUp = up
				ScrollUpFrame.Active = up
				ScrollUpFrame.AutoButtonColor = up
				local children = ScrollUpGraphic:GetChildren()
				local style = up and scrollStyle or scrollStyle_ds
				for i = 1,#children do
					Create(children[i],style)
				end
			end
			ScrollThumbFrame.Visible = down or up
			UpdateScrollThumb()
		end
		Class.Update = Update

		SetZIndexOnChanged(ScrollFrame)

		local scrollEventID = 0
		ScrollDownFrame.MouseButton1Down:connect(function()
			scrollEventID = tick()
			local current = scrollEventID
			local up_con
			up_con = MouseDrag.MouseButton1Up:connect(function()
				scrollEventID = tick()
				MouseDrag.Parent = nil
				ResetButtonColor(ScrollDownFrame)
				up_con:disconnect(); drag = nil
			end)
			MouseDrag.Parent = GetScreen(ScrollFrame)
			Class:ScrollDown()
			wait(0.2) -- delay before auto scroll
			while scrollEventID == current do
				Class:ScrollDown()
				if not Class:CanScrollDown() then break end
				wait()
			end
		end)

		ScrollDownFrame.MouseButton1Up:connect(function()
			scrollEventID = tick()
		end)

		ScrollUpFrame.MouseButton1Down:connect(function()
			scrollEventID = tick()
			local current = scrollEventID
			local up_con
			up_con = MouseDrag.MouseButton1Up:connect(function()
				scrollEventID = tick()
				MouseDrag.Parent = nil
				ResetButtonColor(ScrollUpFrame)
				up_con:disconnect(); drag = nil
			end)
			MouseDrag.Parent = GetScreen(ScrollFrame)
			Class:ScrollUp()
			wait(0.2)
			while scrollEventID == current do
				Class:ScrollUp()
				if not Class:CanScrollUp() then break end
				wait()
			end
		end)

		ScrollUpFrame.MouseButton1Up:connect(function()
			scrollEventID = tick()
		end)

		if horizontal then
			ScrollBarFrame.MouseButton1Down:connect(function(x,y)
				scrollEventID = tick()
				local current = scrollEventID
				local up_con
				up_con = MouseDrag.MouseButton1Up:connect(function()
					scrollEventID = tick()
					MouseDrag.Parent = nil
					ResetButtonColor(ScrollUpFrame)
					up_con:disconnect(); drag = nil
				end)
				MouseDrag.Parent = GetScreen(ScrollFrame)
				if x > ScrollThumbFrame.AbsolutePosition.x then
					Class:ScrollTo(Class.ScrollIndex + Class.VisibleSpace)
					wait(0.2)
					while scrollEventID == current do
						if x < ScrollThumbFrame.AbsolutePosition.x + ScrollThumbFrame.AbsoluteSize.x then break end
						Class:ScrollTo(Class.ScrollIndex + Class.VisibleSpace)
						wait()
					end
				else
					Class:ScrollTo(Class.ScrollIndex - Class.VisibleSpace)
					wait(0.2)
					while scrollEventID == current do
						if x > ScrollThumbFrame.AbsolutePosition.x then break end
						Class:ScrollTo(Class.ScrollIndex - Class.VisibleSpace)
						wait()
					end
				end
			end)
		else
			ScrollBarFrame.MouseButton1Down:connect(function(x,y)
				scrollEventID = tick()
				local current = scrollEventID
				local up_con
				up_con = MouseDrag.MouseButton1Up:connect(function()
					scrollEventID = tick()
					MouseDrag.Parent = nil
					ResetButtonColor(ScrollUpFrame)
					up_con:disconnect(); drag = nil
				end)
				MouseDrag.Parent = GetScreen(ScrollFrame)
				if y > ScrollThumbFrame.AbsolutePosition.y then
					Class:ScrollTo(Class.ScrollIndex + Class.VisibleSpace)
					wait(0.2)
					while scrollEventID == current do
						if y < ScrollThumbFrame.AbsolutePosition.y + ScrollThumbFrame.AbsoluteSize.y then break end
						Class:ScrollTo(Class.ScrollIndex + Class.VisibleSpace)
						wait()
					end
				else
					Class:ScrollTo(Class.ScrollIndex - Class.VisibleSpace)
					wait(0.2)
					while scrollEventID == current do
						if y > ScrollThumbFrame.AbsolutePosition.y then break end
						Class:ScrollTo(Class.ScrollIndex - Class.VisibleSpace)
						wait()
					end
				end
			end)
		end

		if horizontal then
			ScrollThumbFrame.MouseButton1Down:connect(function(x,y)
				scrollEventID = tick()
				local mouse_offset = x - ScrollThumbFrame.AbsolutePosition.x
				local drag_con
				local up_con
				drag_con = MouseDrag.MouseMoved:connect(function(x,y)
					local bar_abs_pos = ScrollBarFrame.AbsolutePosition.x
					local bar_drag = ScrollBarFrame.AbsoluteSize.x - ScrollThumbFrame.AbsoluteSize.x
					local bar_abs_one = bar_abs_pos + bar_drag
					x = x - mouse_offset
					x = x < bar_abs_pos and bar_abs_pos or x > bar_abs_one and bar_abs_one or x
					x = x - bar_abs_pos
					Class:SetScrollPercent(x/(bar_drag))
				end)
				up_con = MouseDrag.MouseButton1Up:connect(function()
					scrollEventID = tick()
					MouseDrag.Parent = nil
					ResetButtonColor(ScrollThumbFrame)
					drag_con:disconnect(); drag_con = nil
					up_con:disconnect(); drag = nil
				end)
				MouseDrag.Parent = GetScreen(ScrollFrame)
			end)
		else
			ScrollThumbFrame.MouseButton1Down:connect(function(x,y)
				scrollEventID = tick()
				local mouse_offset = y - ScrollThumbFrame.AbsolutePosition.y
				local drag_con
				local up_con
				drag_con = MouseDrag.MouseMoved:connect(function(x,y)
					local bar_abs_pos = ScrollBarFrame.AbsolutePosition.y
					local bar_drag = ScrollBarFrame.AbsoluteSize.y - ScrollThumbFrame.AbsoluteSize.y
					local bar_abs_one = bar_abs_pos + bar_drag
					y = y - mouse_offset
					y = y < bar_abs_pos and bar_abs_pos or y > bar_abs_one and bar_abs_one or y
					y = y - bar_abs_pos
					Class:SetScrollPercent(y/(bar_drag))
				end)
				up_con = MouseDrag.MouseButton1Up:connect(function()
					scrollEventID = tick()
					MouseDrag.Parent = nil
					ResetButtonColor(ScrollThumbFrame)
					drag_con:disconnect(); drag_con = nil
					up_con:disconnect(); drag = nil
				end)
				MouseDrag.Parent = GetScreen(ScrollFrame)
			end)
		end

		function Class:Destroy()
			ScrollFrame:Destroy()
			MouseDrag:Destroy()
			for k in pairs(Class) do
				Class[k] = nil
			end
			setmetatable(Class,nil)
		end

		Update()

		return Class
	end
end
