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



// hide	
    $('#presentations').css({'display' : 'none'});
    $('div.panel').css({'height' : 'auto','margin-bottom':'90px'});
    $('img.scrollButtons').css({'visibility' : 'hidden'});
    $('ul.navigation').css({'visibility' : 'hidden'}); 


// + next button
	var $force = $('#disclosures');
	var $instructions = $('#instructions');
    $force.after('<p class="force" style="text-align:center" ><a   class="force">Next</a></p>');
    $instructions.before('<p class="instructions" style="position:absolute;width:750px;top:62px;text-align:center;color:gray;font-weight:bold;text-transform:uppercase" class="instructions">Scroll to end for webcast</p>');
    $('a.force').click(restoreControls);
    
 
          $('#slider .scroll').animate({scrollTop:0}, 'slow');  
    
    
    
function restoreControls(){        
   
   
   
// try to slide up to top
          
         $('#slider .scroll').animate({scrollTop:0}, 'slow');     
         $('html').animate({scrollTop:0}, 'slow');
      

// unhide
     
         $('#presentations').css({'display' : 'block'});
         $('div.panel').css({'height' : '460px','margin-bottom':'0px'});
         $('img.scrollButtons').css({'visibility' : 'visible'});
         $('ul.navigation').css({'visibility' : 'visible'});
// scroll disclosures        
         $('#disclosures').css('overflow-y', 'scroll');





// - next button
         $('p.force').css({'display' : 'none'});
 $('p.instructions').css({'display' : 'none'});


         
 
      
      
// everything else!  
      
           var $panels = $('#slider .scrollContainer > div');
           var $container = $('#slider .scrollContainer');

    // 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');

  		    $scroll
        .before('<img class="scrollButtons left" src="images/scroll_left.png" />')
        .after('<img class="scrollButtons right" 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);
    }

    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.left', 
        next: 'img.right',

        // 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);
      }
     

window.location.hash = "#presentations";
 


});