What does this script mean?

OK I am getting quite frustrated with trying to figure out the whole Tavern Hero selection system. I open up some maps (the unprotected ones anyway) and take a look at the triggers and the one that initializes the maps (or seems to anyway) is always something along the lines of this code:

function Trig_Init_Variables_Actions takes nothing returns nothing
set udg_colors[1] = "|c00ff0303"
set udg_colors[2] = "|c000042ff"
set udg_colors[3] = "|c001ce6b9"
set udg_colors[4] = "|c00540081"
set udg_colors[5] = "|c00fffc01"
set udg_colors[6] = "|c00feba0e"
set udg_colors[7] = "|c0020c000"
set udg_colors[8] = "|c00e55bb0"
set udg_colors[9] = "|c00959697"
set udg_colors[10] = "|c007ebff1"
set udg_colors[11] = "|c00106246"
set udg_colors[12] = "|c004e2a04"

set udg_const_start_gp = 500
set udg_const_start_hero_lv = 1
set udg_const_respawn_factor = 3.0

set udg_game_types[0] = "Long"
set udg_game_type_level[0] = 1
set udg_game_type_gold[0] = 500

set udg_game_types[1] = "Medium"
set udg_game_type_level[1] = 5
set udg_game_type_gold[1] = 1500

set udg_game_types[2] = "Short"
set udg_game_type_level[2] = 10
set udg_game_type_gold[2] = 5000

set udg_game_types[3] = "Ridiculous"
set udg_game_type_level[3] = 1
set udg_game_type_gold[3] = 15000

set udg_players_ne = ( CountPlayersInForceBJ(GetPlayersAllies(Player(0))) - 1 )
set udg_players_ud = ( CountPlayersInForceBJ(GetPlayersAllies(Player(6))) - 1 )

call SetPlayerHandicapXPBJ( Player(1), 100.00 )
call SetPlayerHandicapXPBJ( Player(2), 100.00 )
call SetPlayerHandicapXPBJ( Player(3), 100.00 )
call SetPlayerHandicapXPBJ( Player(4), 100.00 )
call SetPlayerHandicapXPBJ( Player(5), 100.00 )
call SetPlayerHandicapXPBJ( Player(7), 100.00 )
call SetPlayerHandicapXPBJ( Player(8), 100.00 )
call SetPlayerHandicapXPBJ( Player(9), 100.00 )
call SetPlayerHandicapXPBJ( Player(10), 100.00 )
call SetPlayerHandicapXPBJ( Player(11), 100.00 )

call SetPlayerFlagBJ( PLAYER_STATE_GIVES_BOUNTY, true, Player(0) )
call SetPlayerFlagBJ( PLAYER_STATE_GIVES_BOUNTY, true, Player(6) )

set udg_creep_n_melee = 2
set udg_creep_n_ranged = 4

set udg_const_start_gp = 500
set udg_const_start_hero_lv = 1
set udg_top_hero_level = 1
endfunction

//===========================================================================
function InitTrig_Init_Variables takes nothing returns nothing
set gg_trg_Init_Variables = CreateTrigger( )
call TriggerRegisterTimerEventSingle( gg_trg_Init_Variables, 1.00 )
call TriggerAddAction( gg_trg_Init_Variables, function Trig_Init_Variables_Actions )
endfunction

I cannot, for the life of me make any of this out and I have been trying to find a "GUI" version of it but have had no success. If any one could help me out with this I would so greatly appreciate it.

No, that isnt the initilization triggers. That just sets a few different variables. If you need a walk through, I can help, but I seriously doubt this is what you want.

A walkthrough would defintly help me out. I will attach my map that I am working on so you can see what I have set up so far...it ain't much trust me.

Also, I would love to have a red computer controlled character and a blue computer controlled character (instead of the average red and green) but I am guessing that would be pretty confusing in the team selections creen on BNET. Thoughts?

And if it was not painfully obvious I am fairly new at this...in fact this is my first map. But the whole idea fascinates me so much that I am determined to learn...determined! Any help though would be awesome.