$(document).ready(function () {
    // Executed once all the page elements are loaded
    var hei = $(document).height();
    var wid = $(document).width();
    var allImages = $('.anImageKW');
    $.each(allImages, function (index, value) {
        var randomNum = Math.ceil(Math.random() * (hei - 150 - 110));
        var ranWid = Math.ceil(Math.random() * (wid - 150));
        $(this).css({ 'top': randomNum + 'px' });
        $(this).css({ 'left': ranWid + 'px' });
    });

    var preventClick = false;

    //alert(hei);
    hei = hei - 120;
    $('#gallery').css({ 'height': hei + 'px !important' });

    $(".pic a").bind("click", function (e) {
        /* This function stops the drag from firing a click event and showing the lightbox */
        if (preventClick) {
            e.stopImmediatePropagation();
            e.preventDefault();
        }
    });

    $(".pic").draggable({
        /* Converting the images into draggable objects */
        containment: 'parent',
        start: function (e, ui) {
            /* This will stop clicks from occuring while dragging */
            preventClick = true;
        },

        stop: function (e, ui) {
            /* Wait for 250 milliseconds before re-enabling the clicks */
            setTimeout(function () { preventClick = false; }, 250);
        }
    });


    $('.pic').mousedown(function (e) {

        /* Executed on image click */

        var maxZ = 0;

        /* Find the max z-index property: */

        $('.pic').each(function () {
            var thisZ = parseInt($(this).css('zIndex'))
            if (thisZ > maxZ) maxZ = thisZ;
        });

        /* Clicks can occur in the picture container (with class pic) and in the link inside it */
        if ($(e.target).hasClass("pic")) {
            /* Show the clicked image on top of all the others: */
            $(e.target).css({ zIndex: maxZ + 1 });
        }
        else $(e.target).closest('.pic').css({ zIndex: maxZ + 1 });
    });

    /* Converting all the links to a fancybox gallery */
    $("a.fancybox").fancybox({
        zoomSpeedIn: 300,
        zoomSpeedOut: 300,
        overlayShow: false
    });

    /* Converting the share box into a droppable: */
    $('.drop-box').droppable({
        hoverClass: 'active',
        drop: function (event, ui) {
            /* Fill the URL text field with the URL of the image. */
            /* The id of the image is appended as a hash #pic-123 */
            $('#url').val(location.href.replace(location.hash, '') + '#' + ui.draggable.attr('id'));
            $('#modal').dialog('open');
        }
    });

    /* Converts the div with id="modal" into a modal window  */
    $("#modal").dialog({
        bgiframe: true,
        modal: true,
        autoOpen: false,
        buttons: {
            Ok: function () {
                $(this).dialog('close');
            }
        }
    });

    if (location.hash.indexOf('#pic-') != -1) {
        /* Checks whether a hash is present in the URL */
        /* and shows the respective image */
        $(location.hash + ' a.fancybox').click();
    }

});