// JavaScript Document

jQuery(function($) {
	var slide = false;
	var height = $('#footer_content').height();
	$('#footer_button').click(function() {
		var docHeight = $(document).height();
		var windowHeight = $(window).height();
		var scrollPos = docHeight - windowHeight + height;
		$('#footer_content').animate({ height: "toggle"}, 1000);
		if(slide == false) {
			if($.browser.opera) { //Fix opera double scroll bug by targeting only HTML.
				$('html').animate({scrollTop: scrollPos+'px'}, 1000);
			} else {
				$('html, body').animate({scrollTop: scrollPos+'px'}, 1000);
			}
                               slide = true;
		} else {
                               slide = false;
                       }
	});
});


$slideshow = {
    context: false,
    tabs: false,
    timeout: 5000,      // time before next slide appears (in ms)
    slideSpeed: 1000,   // time it takes to slide in each slide (in ms)
    tabSpeed: 300,      // time it takes to slide in each slide (in ms) when clicking through tabs
    fx: 'scrollRight',   // the slide effect to use

    init: function() {
        // set the context to help speed up selectors/improve performance
        this.context = $('#slideshow');

        // set tabs to current hard coded navigation items
        this.tabs = $('ul.slides-nav li', this.context);

        // remove hard coded navigation items from DOM
        // because they aren't hooked up to jQuery cycle
        this.tabs.remove();

        // prepare slideshow and jQuery cycle tabs
        this.prepareSlideshow();
    },

    prepareSlideshow: function() {
        // initialise the jquery cycle plugin -
        // for information on the options set below go to:
        // http://malsup.com/jquery/cycle/options.html
        $("div.slides > ul", $slideshow.context).cycle({
            fx: $slideshow.fx,
            timeout: $slideshow.timeout,
            speed: $slideshow.slideSpeed,
            fastOnEvent: $slideshow.tabSpeed,
            pager: $("ul.slides-nav", $slideshow.context),
            pagerAnchorBuilder: $slideshow.prepareTabs,
            before: $slideshow.activateTab,
            pauseOnPagerHover: true,
            pause: true
        });
    },

    prepareTabs: function(i, slide) {
        // return markup from hardcoded tabs for use as jQuery cycle tabs
        // (attaches necessary jQuery cycle events to tabs)
        return $slideshow.tabs.eq(i);
    },

    activateTab: function(currentSlide, nextSlide) {
        // get the active tab
        var activeTab = $('a[href="#' + nextSlide.id + '"]', $slideshow.context);

        // if there is an active tab
        if(activeTab.length) {
            // remove active styling from all other tabs
            $slideshow.tabs.removeClass('on');

            // add active styling to active button
            activeTab.parent().addClass('on');
        }
    }
};

$(function() {
    // initialise the slideshow when the DOM is ready
    $slideshow.init();
});