// JavaScript Document

<!-- script scroll menu principal -->
        
                            // when the DOM is ready...
                        $(document).ready(function () {
                        
                        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 = false;
                        
                        // 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');
                        
                        // 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: 1000,
                          
                          // 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);
                        
                        });