$(document).ready(function() {

    //Execute the slideShow^
    slideShow();

});

function slideShow() {

    //Set the opacity of all images to 0
    $('#gallery a').css({opacity: 0.0});

    //Get the first image and display it (set it to full opacity)
    $('#gallery a:first').css({opacity: 1.0});

    //Set the caption background to semi-transparent
    $('#gallery .caption_realizacje').css({opacity: 0.7});

    //Resize the width of the caption according to the image width
    $('#gallery .caption_realizacje').css({width: $('#gallery a').find('img').css('width')});

    //Get the caption of the first image from REL attribute and display it
    $('#gallery .content_realizacje').html($('#gallery a:first').find('img').attr('rel'))
    .animate({opacity: 0.7}, 400);

    //Call the gallery function to run the slideshow, 6000 = change to next image after 6 seconds
    setInterval('gallery()',6000);

}

function gallery() {

    //if no IMGs have the show class, grab the first image
    var current = ($('#gallery a.show')?  $('#gallery a.show') : $('#gallery a:first'));

    //Get next image, if it reached the end of the slideshow, rotate it back to the first image
    var next = ((current.next().length) ? ((current.next().hasClass('caption_realizacje'))? $('#gallery a:first') :current.next()) : $('#gallery a:first'));

    //Get next image caption
    var caption_realizacje = next.find('img').attr('rel');

    //Set the fade in effect for the next image, show class has higher z-index
    next.css({opacity: 0.0})
    .addClass('show')
    .animate({opacity: 1.0}, 1000);

    //Hide the current image
    current.animate({opacity: 0.0}, 1000)
    .removeClass('show');

    //Set the opacity to 0 and height to 1px
    $('#gallery .caption_realizacje').animate({opacity: 0.0}, { queue:false, duration:0 }).animate({height: '1px'}, { queue:true, duration:300 });

    //Animate the caption, opacity to 0.7 and heigth to 100px, a slide up effect
    $('#gallery .caption_realizacje').animate({opacity: 0.7},100 ).animate({height: '50px'},500 );

    //Display the content
    $('#gallery .content_realizacje').html(caption_realizacje);

}