[VX] I need a 2 picture Battle-back scrolling script

[WildCard]

Alright, I need a script that will scroll a top or bottom battle background while a second battle back stays in place. ( THis is for rmvx)

It also has to be compatible with the Tankentai 3.3d Battle System script.

Would there be any way to edit this script to do so??? :

Spoiler

#===============================================================================
# Battle Backgrounds - RMVX
#===============================================================================
# Written by Synthesize
# January 20, 2008
# Version 1.00A
#===============================================================================
# * This script is untested. *
#===============================================================================
module SynBattleB
# Place your battle backgrounds in the 'Pictures' folder (Graphics/Pictures)
# Format = {map_id => Battleback Name}
Battle_background =
{
1 => "001-Grassland01",
2 => "001-Grassland01"
}
#-----------------------------------------------------------------------------
# Create the battlefloor?
Create_battlefloor = false
#-----------------------------------------------------------------------------
# This was being requested on quite a fe forums now, so I threw a quick script
# together. It is nice and simple, and does what it is suppsoed to do. Once
# RMVX is released in English, then I will add additional features into this.
#-----------------------------------------------------------------------------
end
#-------------------------------------------------------------------------------
# Spriteset_Battle
#-------------------------------------------------------------------------------
class Spriteset_Battle
alias syn_create_battlefloor create_battlefloor
#-----------------------------------------------------------------------------
# Create Battleback
#-----------------------------------------------------------------------------
def create_battleback
image = SynBattleB::Battle_background[$game_map.map_id]
@battleback_sprite = Sprite.new(@viewport1)
@battleback_sprite.bitmap = Cache.picture(image)
end
def create_battlefloor
@battlefloor_sprite = Sprite.new(@viewport1)
syn_create_battlefloor if SynBattleB::Create_battlefloor == true
end
end
#===============================================================================
# * This script is untested *
#===============================================================================
# Version 1.00A
# January 20, 2008
# Written by Synthesize
#===============================================================================
# Battle Backgrounds - RMVX
#===============================================================================