on constructVariableManager  
  return(createManager("System Props", value(convertToPropList(field(0), "\r").getAt("variable.manager.class"))))
end

on deconstructVariableManager  
  return(removeManager(#variable_manager))
end

on getVariableManager  
  tMgr = getObjectManager()
  if not tMgr.managerExists(#variable_manager) then
    return(constructVariableManager())
  end if
  return(tMgr.getManager(#variable_manager))
end

on createVariable tid, tValue 
  return(getVariableManager().create(tid, tValue))
end

on removeVariable tid 
  return(getVariableManager().Remove(tid))
end

on setVariable tid, tValue 
  return(getVariableManager().create(tid, tValue))
end

on getVariable tid, tDefault 
  return(getVariableManager().GET(tid, tDefault))
end

on getIntVariable tid, tDefault 
  return(getVariableManager().getInt(tid, tDefault))
end

on getStructVariable tid, tDefault 
  return(getVariableManager().GetValue(tid, tDefault))
end

on getClassVariable tid, tDefault 
  return(getVariableManager().GetValue(tid, tDefault))
end

on getVariableValue tid, tDefault 
  return(getVariableManager().GetValue(tid, tDefault))
end

on variableExists tid 
  return(getVariableManager().exists(tid))
end

on printVariables  
  return(getVariableManager().print())
end

on dumpVariableField tField, tDelimiter 
  return(getVariableManager().dump(tField, tDelimiter))
end