public String itsHere(MOB mob, Room R)
	{
		if(R==null)
			return "";
		if((okMaterials()!=null)&&(okMaterials().length>0))
		{
			for(int m=0;m<okMaterials().length;m++)
			{
				if((R.myResource()&RawMaterial.MATERIAL_MASK)==okMaterials()[m])
					return L("You sense @x1 here.", RawMaterial.CODES.NAME(R.myResource()).toLowerCase());
			}
		}
		if((okResources()!=null)&&(okResources().length>0))
		{
			for(int m=0;m<okResources().length;m++)
			{
				if(R.myResource()==okResources()[m])
					return L("You sense @x1 here.",RawMaterial.CODES.NAME(R.myResource()).toLowerCase());
			}
		}
		return "";
	}