$(function() {

    // Parallax background effect    

    var slowScroller = $("#wrap-slow-scroll");
    var $window = $(window);
    var offset = $(document.body).hasClass("home") ? 600 : 0;
    $(window).scroll(function() {
        slowScroller.css("background-position", "center " + Math.floor(-$window.scrollTop() / 5 + offset) + "px");
    });


    // Home page columns

    var $columns = $('body.home div.col');
    var $tallest = 0;

    $columns.each( function() {
        $column = $(this);
        $current = $column.height();
        if ($current > $tallest) {
            $tallest = $current;
        }
        $column.height($tallest);
    });


    // Gallery

    if ($('#thumbs').length == 0) return;
    
    var gallery = $('#thumbs').galleriffic({
        delay:                     3000, // in milliseconds
        numThumbs:                 20, // The number of thumbnails to show page
        preloadAhead:              40, // Set to -1 to preload all images
        enableTopPager:            false,
        enableBottomPager:         false,
        maxPagesToShow:            7,  // The maximum number of pages to display in either the top or bottom pager
        imageContainerSel:         '#slideshow', // The CSS selector for the element within which the main slideshow image should be rendered
        controlsContainerSel:      '#controls', // The CSS selector for the element within which the slideshow controls should be rendered
        captionContainerSel:       '#caption', // The CSS selector for the element within which the captions should be rendered
        loadingContainerSel:       '#loading', // The CSS selector for the element within which should be shown when an image is loading
        renderSSControls:          false, // Specifies whether the slideshow's Play and Pause links should be rendered
        renderNavControls:         false, // Specifies whether the slideshow's Next and Previous links should be rendered
        playLinkText:              'Play',
        pauseLinkText:             'Pause',
        prevLinkText:              'Previous',
        nextLinkText:              'Next',
        nextPageLinkText:          'Next ›',
        prevPageLinkText:          '‹ Prev',
        enableHistory:             false, // Specifies whether the url's hash and the browser's history cache should update when the current slideshow image changes
        enableKeyboardNavigation:  true, // Specifies whether keyboard navigation is enabled
        autoStart:                 false, // Specifies whether the slideshow should be playing or paused when the page first loads
        syncTransitions:           false, // Specifies whether the out and in transitions occur simultaneously or distinctly
        defaultTransitionDuration: 1000, // If using the default transitions, specifies the duration of the transitions
        onSlideChange:             undefined, // accepts a delegate like such: function(prevIndex, nextIndex) { ... }
        onTransitionOut:           undefined, // accepts a delegate like such: function(slide, caption, isSync, callback) { ... }
        onTransitionIn:            undefined, // accepts a delegate like such: function(slide, caption, isSync) { ... }
        onPageTransitionOut:       undefined, // accepts a delegate like such: function(callback) { ... }
        onPageTransitionIn:        undefined, // accepts a delegate like such: function() { ... }
        onImageAdded:              undefined, // accepts a delegate like such: function(imageData, $li) { ... }
        onImageRemoved:            undefined  // accepts a delegate like such: function(imageData, $li) { ... }
    });
});