/* Copyright (c) 2008 Kean Loong Tan http://www.gimiti.com/kltan

 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)

 * jFlow

 * Version: 1.1 (May 22, 2008)

 * Requires: jQuery 1.2+

 */



//modified by LandRover 30th May 08



(function($) {



    $.fn.jFlow = function(options) {

        var opts = $.extend({}, $.fn.jFlow.defaults, options);

        var cur = 0;

        var timer;

        var selected_class = "jFlowSelected";

        var maxi = $(".jFlowControl").length;

        $(this).find(".jFlowControl").each(function(i){

            $(this).click(function(){

                dotimer();

                

                $(".jFlowControl").removeClass(selected_class);

                $(this).addClass(selected_class);

                //alert(cur);

                //alert(i);

                var dur = Math.abs(cur-i);

                $(opts.slides).animate({

                    marginLeft: "-" + (i * $(opts.slides).find(":first-child").width() + "px")

                }, opts.duration*(dur));

                cur = i;

            });

        }); 



        $(opts.slides).before('<div id="jFlowSlide"></div>').appendTo("#jFlowSlide");



        $(opts.slides).find("div").each(function(){

            $(this).before('<div class="jFlowSlideContainer"></div>').appendTo($(this).prev());

        });



        //initialize the controller

        $(".jFlowControl").eq(cur).addClass(selected_class);



        var resize = function (x){

            $("#jFlowSlide").css({

                position: "relative",

                width: opts.width,

                height: opts.height,

                overflow: "hidden"

            });



            $(opts.slides).css({

                position:"relative",

                width: $("#jFlowSlide").width()*$(".jFlowControl").length+"px",

                height: $("#jFlowSlide").height()+"px",

                overflow: "hidden"

            });



            $(opts.slides).children().css({

                position: "relative",

                width: $("#jFlowSlide").width()+"px",

                height: $("#jFlowSlide").height()+"px",

                "float":"left"

            });



            $(opts.slides).css({

                marginLeft: "-" + (cur * $(opts.slides).find(":first-child").width() + "px")

            });

        }



        resize();



        $(window).resize(function(){

            resize();

        });



        $(".jFlowPrev").click(function(){

            dotimer();

            doprev();

        });

        

        var doprev = function (x){

            if (cur > 0)

                cur--;

            else

                cur = maxi -1;



            $(".jFlowControl").removeClass(selected_class);

            $(opts.slides).animate({

                marginLeft: "-" + (cur * $(opts.slides).find(":first-child").width() + "px")

            }, opts.duration);

            $(".jFlowControl").eq(cur).addClass(selected_class);

        }



        $(".jFlowNext").click(function(){

            donext();

            dotimer();

        });



        var donext = function (x){

            if (cur < maxi - 1)

                cur++;

            else

                cur = 0;



            $(".jFlowControl").removeClass(selected_class);

            $(opts.slides).animate({

                marginLeft: "-" + (cur * $(opts.slides).find(":first-child").width() + "px")

            }, opts.duration);

            $(".jFlowControl").eq(cur).addClass(selected_class);

        }



        var dotimer = function (x){

            if(timer != null) 

                clearInterval(timer);

                

                timer = setInterval(function() {

                        donext();

                    }, 5000);

                    

                }



        dotimer();

    };



    $.fn.jFlow.defaults = {

        easing: "swing",

        duration: 400,

        width: "100%"

    };



})(jQuery);