function openWindow(URL, WindowName, Scrollbars, Width, Height) {
    if ( !Scrollbars ){
        Scrollbars = 0;
    }
    detail = 'resizable,scrollbars='+Scrollbars+',width='+Width+',height='+Height+',left=20,top=40';
    popupWin = window.open(
                           URL,
                           WindowName,
                           detail
                          );
    if ( popupWin.focus() ){
        popupWin.focus();
    }
}