Fullscreen Windowed

F1::
    WinID := WinExist("A")
    If !%WinID% {
        WinRestore, AHK_ID %WinID%
        WinSet, Style, -0xCF0000, AHK_ID %WinID%
        WinMaximize, AHK_ID %WinID%
        %WinID% := 1
    } Else {
        WinSet, Style, +0xCF0000, AHK_ID %WinID%
        %WinID% := 0
    }
Return