variable set in one Function used in another

[IvanCodin]

The script I have that sets various variables in the GUI's > I then send it to a function that creates my output file. If I set MustDeclareVars, 1 I found the variables used between the functions look like they are independently. I want to set the varaiable in one function and use it in another. I tried set the values to Global and Local and it still didn't work. The code below isn't functional but depicts what I am trying to do. Could someone point me in the right direction?

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; Declair the vars used
$GW_Type = "None"
$ip = ""
$mask = ""

Global $Width = ('499')
Global $Height = ('447')

$GUI1 = GUICreate("Tools - G1", $Width, $Height, 270, 98)
$G1IP = GUICtrlCreateInput("", 115, 46, 150, 20)
GUICtrlSetLimit($G1IP, '23', '23')
GUICtrlCreateLabel("Mask => ", 30, 77)
$G1IP_Mask = GUICtrlCreateInput("", 115, 77, 150, 20)
GUICtrlSetLimit($G1IP_Mask, '23', '23')
$G1But2 = GUICtrlCreateButton("Make My Config", 392, 46, 89, 23, 0)
$GW_Type = "G1"
GUICtrlSetOnEvent($G1, "Config_GW")


$GUI2 = GUICreate("Tools - G2", $Width, $Height, 270, 98)
$G2IP = GUICtrlCreateInput("", 115, 46, 150, 20)
GUICtrlSetLimit($G2IP, '23', '23')
GUICtrlCreateLabel("Mask => ", 30, 77)
$G2IP_Mask = GUICtrlCreateInput("", 115, 77, 150, 20)
GUICtrlSetLimit($G2IP_Mask, '23', '23')
$G1But2 = GUICtrlCreateButton("Make My Config", 392, 46, 89, 23, 0)
$GW_Type = "G2"
GUICtrlSetOnEvent($G1, "Config_GW")


Func Config_GW()
If $GW_Type = "G1" Then
    $ip = GUICtrlRead($G1IP)
    $Mask = GuiCtrlRead($G1IP_Mask)
    GWDoc()
If $GW_Type = "G2" Then
    $ip = GUICtrlRead($G2IP)
    $Mask = GuiCtrlRead($G2IP_Mask)
    GWDoc()
EndFunc

Func GWDoc()
SplashTextOn("Info", "Creating configuration file", 380, 55)
    Sleep(3000)
    SplashOff()
    ;   _CreateGWDoc()
    $GWDoc = "c:\GWDoc.txt"
    $250file = FileOpen($GWDoc, 10) ; Check if file is opened for writing successfully
    If $250file = -1 Then
        MsgBox(0, "Error", "Unable to create the gateway document." & $250file)
        Exit
    EndIf
        FileWrite($250file, "<===  End GW Doc  ===>" & @CRLF)
        FileWrite($250file, "show username" & @CRLF)
    FileWrite($250file, "show interface" & @CRLF)
    FileWrite($250file, "show ip route" & @CRLF)
    FileWrite($250file, "show spantree" & @CRLF)
    FileClose($250file)
    Run("notepad.exe " & $GWDoc)
FileWrite($250file, "ip address " & $ip & " " & $Mask & @CRLF)
EndFunc

[bogQ]

try instead

; Declair the vars used
$GW_Type = "None"
$ip = ""
$mask = ""

Global $Width = ('499')
Global $Height = ('447')

to

; Declair the vars used
Global $GW_Type = "None",$ip = "",$mask = "",$Width = "499",$Height = "447"

and i think that your funcs Config_GW() with "if" and with no "endif" is badly formated and i dont see the main loop