$(function() {
    $('#gallery a').lightBox({
        fixedNavigation:true,
        maxHeight: screen.height * 0.9,
        maxWidth: screen.width * 0.9
    });
    $('#mainpic a').lightBox({
        fixedNavigation:true,
        maxHeight: screen.height * 0.9,
        maxWidth: screen.width * 0.9
    });
});