function headshift()
	local inst = mc.mcGetInstance()

	--get tool numbers
	local NewTool2 = mc.mcToolGetSelected(inst)
	local OldTool2 = mc.mcToolGetCurrent(inst)

	--get max tools
	local ATCMaxTlsReg = mc.mcRegGetHandle(inst, 'iRegs0/ATCMaxTools')
	local ATCMaxTlsVal = mc.mcRegGetValue(ATCMaxTlsReg)

	--shift values all from router
	--camera
	local CamSftXReg = mc.mcRegGetHandle(inst, 'iRegs0/CamShiftX')
	local CamSftYReg = mc.mcRegGetHandle(inst, 'iRegs0/CamShiftY')
	local CamSftXVal = mc.mcRegGetValue(CamSftXReg)
	local CamSftYVal = mc.mcRegGetValue(CamSftYReg)
	--tk standard
	local TKSSftXReg = mc.mcRegGetHandle(inst, 'iRegs0/TKSShiftX')
	local TKSSftYReg = mc.mcRegGetHandle(inst, 'iRegs0/TKSShiftY')
	local TKSSftXVal = mc.mcRegGetValue(TKSSftXReg)
	local TKSSftYVal = mc.mcRegGetValue(TKSSftYReg)
	--tk oscillating
	local TKOSftXReg = mc.mcRegGetHandle(inst, 'iRegs0/TKOShiftX')
	local TKOSftYReg = mc.mcRegGetHandle(inst, 'iRegs0/TKOShiftY')
	local TKOSftXVal = mc.mcRegGetValue(TKOSftXReg)
	local TKOSftYVal = mc.mcRegGetValue(TKOSftYReg)	

		
	--Cam shifts
		--cam to router
		if (OldTool2 == 100) and (NewTool2 <= ATCMaxTlsVal) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local CamRtShftPosX = (TempPosX - CamSftXVal)
--			local CamRtShftPosY = (TempPosY - CamSftYVal)
--			mc.mcAxisSetPos(inst, 0, CamRtShftPosX)
--			mc.mcAxisSetPos(inst, 1, CamRtShftPosY)	
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, 0.000)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, 0.000)			
			
		end		
		--cam to tks
		if (OldTool2 == 100) and (NewTool2 == 101) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local CamTKSShftPosX = (TempPosX + (TKSSftXVal - CamSftXVal))
--			local CamTKSShftPosY = (TempPosY + (TKSSftYVal - CamSftYVal))
--			mc.mcAxisSetPos(inst, 0, CamTKSShftPosX)
--			mc.mcAxisSetPos(inst, 1, CamTKSShftPosY)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, TKSSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, TKSSftYVal)			
			
		end			
		--cam to tko
		if (OldTool2 == 100) and (NewTool2 == 102) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local CamTKOShftPosX = (TempPosX + (TKOSftXVal - CamSftXVal))
--			local CamTKOShftPosY = (TempPosY + (TKOSftYVal - CamSftYVal))
--			mc.mcAxisSetPos(inst, 0, CamTKOShftPosX)
--			mc.mcAxisSetPos(inst, 1, CamTKOShftPosY)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, TKOSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, TKOSftYVal)			
			
		end		
	
	
	--Router shifts
		--rout to cam
		if (OldTool2 <= ATCMaxTlsVal) and (NewTool2 == 100) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local CamShftPosX = (TempPosX + CamSftXVal)
--			local CamShftPosY = (TempPosY + CamSftYVal)
--			mc.mcAxisSetPos(inst, 0, CamShftPosX)
--			mc.mcAxisSetPos(inst, 1, CamShftPosY)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, CamSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, CamSftYVal)			
			
		end
		--rout to tks
		if (OldTool2 <= ATCMaxTlsVal) and (NewTool2 == 101) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local TKSShftPosX = (TempPosX + TKSSftXVal)
--			local TKSShftPosY = (TempPosY + TKSSftYVal)
--			mc.mcAxisSetPos(inst, 0, TKSShftPosX)
--			mc.mcAxisSetPos(inst, 1, TKSShftPosY)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, TKSSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, TKSSftYVal)
		end
		--rout to tko
		if (OldTool2 <= ATCMaxTlsVal) and (NewTool2 == 102) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local TKOShftPosX = (TempPosX + TKOSftXVal)
--			local TKOShftPosY = (TempPosY + TKOSftYVal)
--			mc.mcAxisSetPos(inst, 0, TKOShftPosX)
--			mc.mcAxisSetPos(inst, 1, TKOShftPosY)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, TKOSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, TKOSftYVal)			
			
		end
	
	--Tang Knife Standard shifts
		--tks to cam
		if (OldTool2 == 101) and (NewTool2 == 100) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local TKSCamShftPosX = (TempPosX - (TKSSftXVal - CamSftXVal))
--			local TKSCamShftPosY = (TempPosY - (TKSSftYVal - CamSftYVal))
--			mc.mcAxisSetPos(inst, 0, TKSCamShftPosX)
--			mc.mcAxisSetPos(inst, 1, TKSCamShftPosY)	
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, CamSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, CamSftYVal)			
			
		end			
		--tks to rout
		if (OldTool2 == 101) and (NewTool2 <= ATCMaxTlsVal) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local TKSRtShftPosX = (TempPosX - TKSSftXVal)
--			local TKSRtShftPosY = (TempPosY - TKSSftYVal)
--			mc.mcAxisSetPos(inst, 0, TKSRtShftPosX)
--			mc.mcAxisSetPos(inst, 1, TKSRtShftPosY)	
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, 0.000)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, 0.000)
		end
		--tks to tko
		if (OldTool2 == 101) and (NewTool2 == 102) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local TKSTKOShftPosX = (TempPosX + (TKOSftXVal - TKSSftXVal))
--			local TKSTKOShftPosY = (TempPosY + (TKOSftYVal - TKSSftYVal))
--			mc.mcAxisSetPos(inst, 0, TKSTKOShftPosX)
--			mc.mcAxisSetPos(inst, 1, TKSTKOShftPosY)	
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, TKOSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, TKOSftYVal)

		end	
	
	
	--Tang Knife Oscillating shifts
		--tko to cam
		if (OldTool2 == 102) and (NewTool2 == 100) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local TKOCamShftPosX = (TempPosX - (TKOSftXVal - CamSftXVal))
--			local TKOCamShftPosY = (TempPosY - (TKOSftYVal - CamSftYVal))
--			mc.mcAxisSetPos(inst, 0, TKOCamShftPosX)
--			mc.mcAxisSetPos(inst, 1, TKOCamShftPosY)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, CamSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, CamSftYVal)

		end				
		--tko to rout
		if (OldTool2 == 102) and (NewTool2 <= ATCMaxTlsVal) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local TKORtShftPosX = (TempPosX - TKOSftXVal)
--			local TKORtShftPosY = (TempPosY - TKOSftYVal)
--			mc.mcAxisSetPos(inst, 0, TKORtShftPosX)
--			mc.mcAxisSetPos(inst, 1, TKORtShftPosY)	
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, 0.000)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, 0.000)

		end		
		--tko to tks
		if (OldTool2 == 102) and (NewTool2 == 101) then
--			local TempPosX = mc.mcAxisGetPos(inst, 0)
--			local TempPosY = mc.mcAxisGetPos(inst, 1)
--			local TKOTKSShftPosX = (TempPosX - (TKOSftXVal - TKSSftXVal))
--			local TKOTKSShftPosY = (TempPosY - (TKOSftYVal - TKSSftYVal))
--			mc.mcAxisSetPos(inst, 0, TKOTKSShftPosX)
--			mc.mcAxisSetPos(inst, 1, TKOTKSShftPosY)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_X, TKSSftXVal)
			mc.mcCntlSetPoundVar(inst, mc.SV_HEAD_SHIFT_Y, TKSSftYVal)

		end		
	
	

end
if (mc.mcInEditor() == 1) then
	headshift()
end