Title:           [Autohotkey] Borderless Fullscreen Window Toggle
Author:          xdemonessx
Pastebin link:   http://pastebin.com/8mNG6cnd
First Edit:      Sunday 22nd of September 2013 08:53:43 PM CDT
Last Edit:       Sunday 22nd of September 2013 08:53:43 PM CDT

F12::
WinGet, TempWindowID, ID, A
If (WindowID != TempWindowID)
{
  WindowID:=TempWindowID
  WindowState:=0
}
If (WindowState != 1)
{
  WinGetPos, WinPosX, WinPosY, WindowWidth, WindowHeight, ahk_id %WindowID%
  WinSet, Style, ^0xC40000, ahk_id %WindowID%
  WinMove, ahk_id %WindowID%, , 0, 0, A_ScreenWidth, A_ScreenHeight
}
Else
{
  WinSet, Style, ^0xC40000, ahk_id %WindowID%
  WinMove, ahk_id %WindowID%, , WinPosX, WinPosY, WindowWidth, WindowHeight
}
WindowState:=!WindowState
return