function openWindow(url) {
    var features = ''
            + 'width=' + screen.availWidth + ','
            + 'height=' + screen.availHeight + ','
            + 'left=0,top=0,screenX=0,screenY=0,'
            + 'status=yes,menubar=yes,resizable=yes,scrollbars=yes';
    var newWin = window.open(url, 'download', features);
    newWin.focus();
}