var $j = jQuery.noConflict();

$j.fn.infiniteCarousel = function () {

    function repeat(str, num) {
        return new Array( num + 1 ).join( str );
    }
  
    return this.each(function () {
	
        var $wrapper = $j('> div', this).css('overflow', 'hidden'),
            $slider = $wrapper.find('> ul'),
            $items = $slider.find('> li'),
            $single = $items.filter(':first'),
            
            singleWidth = $single.outerWidth(), 
            visible = Math.ceil($wrapper.innerWidth() / singleWidth), // note: doesn't include padding or border
            currentPage = 1,
            pages = Math.ceil($items.length / visible);            


        // 1. Pad so that 'visible' number will always be seen, otherwise create empty items
        if (($items.length % visible) != 0) {
            $slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));
            $items = $slider.find('> li');
        }

        // 2. Top and tail the list with 'visible' number of items, top has the last section, and tail has the first
        $items.filter(':first').before($items.slice(- visible).clone().addClass('cloned'));
        $items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));
        $items = $slider.find('> li'); // reselect
        
        // 3. Set the left position to the first 'real' item
        $wrapper.scrollLeft(singleWidth * visible);
        
        // 4. paging function
        function gotoPage(page) {
            var dir = page < currentPage ? -1 : 1,
                n = Math.abs(currentPage - page),
                left = singleWidth * dir * visible * n;
            
            $wrapper.filter(':not(:animated)').animate({
                scrollLeft : '+=' + left
            }, 500, function () {
                if (page == 0) {
                    $wrapper.scrollLeft(singleWidth * visible * pages);
                    page = pages;
                } else if (page > pages) {
                    $wrapper.scrollLeft(singleWidth * visible);
                    // reset back to start position
                    page = 1;
                } 

                currentPage = page;
            });                
            
            return false;
        }
        
        $wrapper.after('<a class="arrow back">&lt;</a><a class="arrow forward">&gt;</a>');
        
        // 5. Bind to the forward and back buttons
        $j('a.back', this).click(function () {
            return gotoPage(currentPage - 1);                
        });
        
        $j('a.forward', this).click(function () {
            return gotoPage(currentPage + 1);
        });
        
        // create a public interface to move to a specific page
        $j(this).bind('goto', function (event, page) {
            gotoPage(page);
        });
    });  
};

function showProduct(v) {
	var $j = jQuery.noConflict();
	
	var dataLoading = function() {
		$j.ajax({type: "GET",
			data: { mode: "2" },
	    	url: v,
	       	dataType: "html",
	       	async:false,
	       	success: function(xml) {
				$j = jQuery.noConflict();
	        	var dialog = $j(".dialog");
				var speed = 500;
	
				$j(".dialog .innerdialog").html(xml);
				margin = dialog.height();
				
				if( dialog.css("display") == "none" ) {
					//dialog.css("margin-top", -margin);
					dialog.fadeIn(speed);
				} else {
					dialog.fadeOut(speed, function() {
						//dialog.css("margin-top", margin);
					});
				}
			}
		});
	}

	setTimeout(dataLoading, 0);
	
}

$j(document).ready(function () {
	
	$j(document).pngFix();
	
  	$j('.infiniteCarousel').infiniteCarousel();
	$j('.infiniteCarousel li a').click(function() {
		showProduct($j(this).attr('href'));
		return false;
	});
	
	$j('.dialog .close').click(function() {
		$j('.dialog').fadeOut(500);
		return false;
	});
	
	$j(".wpcf7 input[type='submit']").click(function() {
		if( !$j("#privacy").is(':checked') ) { alert("Attenzione! Per inviare una richiesta di preventivo è necessario accettare le condizioni riguardanti l’informativa sulla privacy!"); return false; }
		return true;
	});

});