// 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:"50";

        var n=p&&p.scroller_images_height?p.scroller_images_height:"60";

        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=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 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-30)/2+parseInt(j)+"px");

        dom.find(".amazon_scroller_nav").width(u+75)

        }

        function previous(){

        if(t==0){

            t=x-2

            }else{

            if(t==1){

                t=x-1

                }else{

                t-=2

                }

            }

        play()

    }

    function next(){

    play()

    }

    function play(){

    clearTimeout(s);

    dom.find("ul:first").animate({

        left:-(t*u)

        },500);

    t++;

    if(t>=x){

        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","25px");

    a.children("li").css("height","50px");

    a.children("li").css('background-image','url("http://www.psvectors.com/assets/'+d+'/arrow.gif")');

    c.css('background-position','right top');

    a.children("li").css('background-repeat','no-repeat');

    c.css('right','-10px');

	b.css('left','-5px');

    }

}

})(jQuery);