$(document).ready(function () {
	if ($('.box_primo_piano').length) {
		
		var $panels = $('#slider_notizie_primo_piano .scroll_contenitore_notizie > div');
	    var $container = $('#slider_notizie_primo_piano .scroll_contenitore_notizie');
	
		if ($panels.length) {

		    var horizontal = true;
		
		    // flotta i panelli orizontalmente
		    if (horizontal) {
		        $panels.css({
		            'float' : 'left',
		            'position' : 'relative' // IE fix to ensure overflow is hidden
		        });
		
		        // calcola la larghezza del cotenitore
		        $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_notizie_primo_piano .scroll_primo_piano').css('overflow', 'hidden');
		
		    // handle nav selection
		    function selectNav() {
		        $(this)
		            .parents('ul:first')
		                .find('a')
		                    .removeClass('selected')
		                .end()
		            .end()
		            .addClass('selected');
		    }
			
		    $('#slider_notizie_primo_piano .navigation').find('a').click(selectNav);
		
		    // go find the navigation link that has this target and select the nav
		    function trigger(data) {
		        var el = $('#slider_notizie_primo_piano .navigation').find('a[href$="' + 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: 750,
		
		        // 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_notizie_primo_piano').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);
		    
		}
	}
});