function show_picture(img_name, width, height) {
var win = window.open('', 'gallery_preview', 'toolbar=no,location=no,status=no,menubar=no,scrollbars=no,width='+width+',height='+height+',resizable=no');
win.document.write('Галерея');
win.document.write('
');
win.document.write('');
win.document.close();
return false;
}