$(window).load(function() {
    var total = $('#slider img').length;
    var rand = Math.floor(Math.random()*total);

    $('#slider').nivoSlider({
        startSlide: rand,
        controlNav: false,
        effect:'fade',
        captionOpacity:1
    });

    $('#other').click(function() {
        $('#target').click();
    });
});