Batch scripting - how to pass a flag into a loop and modify the flag if condition met

Question

I am new to scripting and I found this script online that seems to do what I need after I tweaked it a bit. I am trying to close a popup window once it opened, once the popup window opened I need a flag to change from false to true, and vise versa the next time the window opens.

It seems like the place where I currently define the flag "connected" is a part of the loop and its being re-initialized every iteration, hence always true. I need to initialize it somehow only once and pass it inside the loop.

@if (@CodeSection == @Batch) @then

@echo off
    set SendKeys=CScript //nologo //E:JScript "%~F0"    
    color 0a

    :loop
        %SendKeys% "{TAB}{TAB} "
        timeout /t 60 /nobreak >nul
    goto :loop

@end

var WshShell = WScript.CreateObject("WScript.Shell"); 
var connected = true;
if (WshShell.AppActivate("Popup window title")) {
    if (connected) {
        WScript.Echo("Inside Connected");
        connected = false;
        WshShell.SendKeys(WScript.Arguments(0));    
    }
    else {
        WScript.Echo("Inside Disconnected");
        connected = true;
        WshShell.SendKeys(WScript.Arguments(0));    
    };
             
}   

I also tried using the set command right after the "set SendKeys" like this "set connected=true" and then I can use this variable like this %connected% within the scope but its not defined when I try to access it in the if statement.

Any help would be much appreciated!