groups for ifs

GroupAdd, browsers, ahk_exe chrome.exe
GroupAdd, browsers, ahk_exe firefox.exe
GroupAdd, browsers, ahk_exe msedge.exe
GroupAdd, browsers, ahk_exe brave.exe
GroupAdd, browsers, ahk_exe opera.exe

#IfWinActive ahk_group browsers
RButton & WheelUp::Send ^{PgDn}
RButton & WheelDown::Send ^{PgUp}
#IfWinActive