Delete <NextOrPrevious> <2To20> Characters

SCRIPT {
    if _arg1 = "Previous" then _arg1 = "Backspace"
    if _arg1 = "Next"     then _arg1 = "Del"
    if _arg1 = "Back"     then _arg1 = "Backspace"
    if _arg1 = "Forward"  then _arg1 = "Del"
    if _arg1 = "Last"     then _arg1 = "Backspace"
    if _arg1 = "Backspace" then SendKeys "{Left}{Right}"
    if _arg1 = "Del"       then SendKeys "{Right}{Left}"
    SendKeys "{" + _arg1 + " " + _arg2 + "}"
}