 		[Toggle(ENABLE_STEREO)] _Stereo("Enable Stereo", Float) = 0
 
 		[KeywordEnum(IsCamera,IsLocalOrigin)]EyePosition("EyePosition",float) = 0
+		LocalYOffset("LocalYOffset", Range(-10,10) ) = 0
 	}
 	SubShader
 	{

			#include "UnityCG.cginc"
			#include "PopCommon.cginc"

			//	gr: I got these by looking at the debug view of the material inspector. Hence the odd _
			#pragma multi_compile EYEPOSITION_ISCAMERA EYEPOSITION_ISLOCALORIGIN

			float3 GetEyePosition()
			{

				}
				#elif defined(EYEPOSITION_ISLOCALORIGIN)
				{
					float3 LocalPos = float3(0,LocalYOffset,0);
					float4 WorldOrigin = mul( unity_ObjectToWorld, float4(LocalPos,1) );
					return (WorldOrigin.xyz / WorldOrigin.w);
				}
				#else
