Why doesnt this button work?

function AddToggleButton(n,p,t,x,y)
n = vgui.Create( "Button" )
                n:SetParent( p )
                n:SetText( t )
                n:SetPos( x, y )
                n:SetSize( 85, 25 )
                n.DoClick = function()
				if b then 
				b = false
				else b = true
				end
return n
end
end
local test = AddToggleButton(test, main,"test", q["asdf"]["aimbot"], 200,45)

function AddToggleButton(n,p,t,b,x,y)
n = vgui.Create( "Button" )
                n:SetParent( p )
                n:SetText( t )
                n:SetPos( x, y )
                n:SetSize( 85, 25 )
                n.DoClick = function()
				if q["asdf"]["aimbot"] then 
				q["asdf"]["aimbot"] = false
				else q["asdf"]["aimbot"] = true
				end
return n
end
end
local test = AddToggleButton(test, main,"test", 200,45)