// when the DOM is ready...
$(document).ready(function(){

    var $panels = $('#slider .scrollContainer > div');
    var $container = $('#slider .scrollContainer');
    
    $("#position").addClass("selected"); // makes LOTUS - position FOCUSED
    // if false, we'll float all the panels left and fix the width 
    // of the container
    var horizontal = true;
    
    // float the panels left if we're going horizontal
    if (horizontal) {
        $panels.css({
            'float': 'left',
            'position': 'relative' // IE fix to ensure overflow is hidden
        });
        
        // calculate a new width for the container (so it holds all panels)
        $container.css('width', $panels[0].offsetWidth * $panels.length);
    }
    
    // collect the scroll object, at the same time apply the hidden overflow
    // to remove the default scrollbars that will appear
    var $scroll = $('#slider .scroll').css('overflow', 'hidden');
    
    // apply our left + right buttons
    $scroll.before('<img class="scrollButtons leftNav" src="images/scroll_left.png" />').after('<img class="scrollButtons rightNav" src="images/scroll_right.png" />');
    
    // handle nav selection
    function selectNav(){
        $(this).parents('ul:first').find('a').removeClass('selected').end().end().addClass('selected');
    }
    
    $('#slider .navigation').find('a').click(selectNav);
    
    // go find the navigation link that has this target and select the nav
    function trigger(data){
        var el = $('#slider .navigation').find('a[href$="' + data.id + '"]').get(0);
        selectNav.call(el);
        
        var currentelement;
        
        $("#position, #strategize, #adapt").removeClass("selected");
        
        if (data.id == "postion-detail") {
            currentelement = "position";
        }
        else 
            if (data.id == "strategize-detail") {
                currentelement = "strategize";
            }
            else 
                if (data.id == "adapt-detail") {
                    currentelement = "adapt"
                }
		if (currentelement != undefined) {
			focusCurrentElement = "#" + currentelement;
	
            $(focusCurrentElement).addClass("selected");
		}
        
        
        
    }
    
    if (window.location.hash) {
        trigger({
            id: window.location.hash.substr(1)
        });
    }
    else {
        $('ul.navigation a:first').click();
    }
    
    // offset is used to move to *exactly* the right place, since I'm using
    // padding on my example, I need to subtract the amount of padding to
    // the offset.  Try removing this to get a good idea of the effect
    var offset = parseInt((horizontal ? $container.css('paddingTop') : $container.css('paddingLeft')) ||
    0) *
    -1;
    
    
    var scrollOptions = {
        target: $scroll, // the element that has the overflow
        // can be a selector which will be relative to the target
        items: $panels,
        
        navigation: '.navigation a',
        
        // selectors are NOT relative to document, i.e. make sure they're unique
        prev: 'img.leftNav',
        next: 'img.rightNav',
        
        // allow the scroll effect to run both directions
        axis: 'xy',
        
        onAfter: trigger, // our final callback
        offset: offset,
        
        // duration of the sliding effect
        duration: 500,
        
        // easing - can be used with the easing plugin: 
        // http://gsgd.co.uk/sandbox/jquery/easing/
        easing: 'swing'
    };
    
    // apply serialScroll to the slider - we chose this plugin because it 
    // supports// the indexed next and previous scroll along with hooking 
    // in to our navigation.
    $('#slider').serialScroll(scrollOptions);
    
    // now apply localScroll to hook any other arbitrary links to trigger 
    // the effect
    $.localScroll(scrollOptions);
    
    // finally, if the URL has a hash, move the slider in to position, 
    // setting the duration to 1 because I don't want it to scroll in the
    // very first page load.  We don't always need this, but it ensures
    // the positioning is absolutely spot on when the pages loads.
    scrollOptions.duration = 1;
    $.localScroll.hash(scrollOptions);
    
});