// Copyright 2010 htmldrive.net Inc.
/**
* @projectHomepage http://www.htmldrive.net/welcome/amazon-scroller
* @projectDescription Amazon style image and title scroller
* @author htmldrive.net
* More script and css style : htmldrive.net
* @version 1.0
* @license http://www.apache.org/licenses/LICENSE-2.0
*/
(function(a) {
    a.fn.amazon_scroller = function(p) {
        var p = p || {};

        var g = p && p.scroller_time_interval ? p.scroller_time_interval : "3000";
        var h = p && p.scroller_title_show ? p.scroller_title_show : "enable";
        var i = p && p.scroller_window_background_color ? p.scroller_window_background_color : "white";
        var j = p && p.scroller_window_padding ? p.scroller_window_padding : "5";
        var k = p && p.scroller_border_size ? p.scroller_border_size : "1";
        var l = p && p.scroller_border_color ? p.scroller_border_color : "black";
        var m = p && p.scroller_images_width ? p.scroller_images_width : "100";
        var n = p && p.scroller_images_height ? p.scroller_images_height : "140";
        var o = p && p.scroller_title_size ? p.scroller_title_size : "12";
        var q = p && p.scroller_title_color ? p.scroller_title_color : "blue";
        var r = p && p.scroller_show_count ? p.scroller_show_count : "5";
        var d = p && p.directory ? p.directory : "images";
        j += "px";
        k += "px";
        m += "px";
        n += "px";
        o += "px";
        var dom = a(this);
        var s;
        var t = 0;
        var u;
        var v;
        var w = dom.find("ul:first").children("li").length;
        var x = w; // Math.ceil(w / r);
        if (dom.find("ul").length == 0 || dom.find("li").length == 0) {
            dom.append("Require content");
            return null
        }
        dom.find("ul:first").children("li").children("a").children("img").css("width", m).css("height", n);
        if (h == 'enable') {
            dom.find("ul:first").children("li").children("a").each(function() {
                $(this).append('<br/>' + $(this).attr("title"))
            })
        }
        s_s_ul(dom, j, k, l, i);
        s_s_nav(dom.find(".amazon_scroller_nav"), d);
        m = parseInt(m);
        dom.find("ul:first").children("li").css("width", m + "px");
        dom.find("ul:first").children("li").children("a").css("color", q);
        dom.find("ul:first").children("li").children("a").css("font-size", o);
        begin();
        play();
        dom.find(".amazon_scroller_nav").children("li").hover(
            function() {
                if ($(this).parent().children().index($(this)) == 0) {
                    $(this).css("background-position", "left -25px");
                } else if ($(this).parent().children().index($(this)) == 1) {
                    $(this).css("background-position", "right -25px");
                }
            },
            function() {
                if ($(this).parent().children().index($(this)) == 0) {
                    $(this).css("background-position", "left top");
                } else if ($(this).parent().children().index($(this)) == 1) {
                    $(this).css("background-position", "right top");
                }
            }
        );
        dom.find(".amazon_scroller_nav").children("li").click(function() {
            if ($(this).parent().children().index($(this)) == 0) {
                previous()
            } else if ($(this).parent().children().index($(this)) == 1) {
                next()
            }
        });
        function begin() {
            var a = dom.find("ul:first").children("li").outerWidth(true) * w;
            dom.find("ul:first").children("li").hide();
            dom.find("ul:first").children("li").slice(0, r).show();
            u = dom.find("ul:first").outerWidth();
            v = dom.find("ul:first").outerHeight();
            dom.find("ul:first").width(a);
            dom.width(u + 60);
            dom.height(v);
            dom.children(".amazon_scroller_mask").width(u);
            dom.children(".amazon_scroller_mask").height(v);
            dom.find("ul:first").children("li").show();
            dom.css("position", "relative");
            dom.find("ul:first").css("position", "absolute");
            dom.children(".amazon_scroller_mask").width(u);
            dom.children(".amazon_scroller_mask").height(v);
            dom.find(".amazon_scroller_nav").css('top', (v - 50) / 2 + parseInt(j) + "px");
            dom.find(".amazon_scroller_nav").width(u + 60)
        }
        function previous() {
            if (t == 0) {
                t = x - 8;
                t = t - 1;
            } else {
                if (t == 1) {
                    t = x - 8
                } else {
                    t -= 2
                }
            }
            play()
        }
        function next() {
            play()
        }
        function play() {


            u = m + 10;
            clearTimeout(s);
            dom.find("ul:first").animate({
                left: -(t * u)
            }, 500);
            t++;
            if (t >= x - 7) {
                t = 0
            }
            s = setTimeout(play, g)
        }
        function s_s_ul(a, b, c, d, e) {
            b = parseInt(b);
            c = parseInt(c);
            var f = "border: " + d + " solid " + " " + c + "px; padding:" + b + "px; background-color:" + e;
            a.attr("style", f)
        }
        function s_s_nav(a, d) {
            var b = a.children("li:first");
            var c = a.children("li:last");
            a.children("li").css("width", "13px");
            a.children("li").css("height", "25px");
            a.children("li").css('background-image', 'url("' + d + '/arrow.gif")');
            c.css('background-position', 'right top');
            a.children("li").css('background-repeat', 'no-repeat');
            c.css('right', '0px');
            b.css('left', '0px');
        }
    }
})(jQuery);