var main_search = function(){
    var obj = $('#container .search_area');
    var obj_layer = obj.find('.search_field');
    var obj_open = obj.find('.search_open');
    var obj_close = obj.find('.search_close');

    obj_open.click(function(){
        obj_layer.addClass('on');
    });

    obj_close.click(function(){
        obj_layer.removeClass('on');
    });
};

var business_active = function(){
    var obj = $('#container .business_slide_area');
    var img_layer = obj.find('.business_list');
    var img_obj = obj.find('.business_list').children();
    var left_btn = obj.find('.btns .prev');
    var right_btn = obj.find('.btns .next');
    var img_max = Math.ceil(img_obj.length / 3);
    var movement = 0;
    var flag = 0;
    var set_time;
    var restart_time;

    var movement = function (multi){
        clearInterval(set_time);
        clearTimeout(restart_time);
        img_layer.animate({"left" : -multi * 200},500,'easeInOutExpo');
        flag = multi;

        restart_time = setTimeout(function(){
            start_rolling();
        },1000);
    };

    function start_rolling(){
        set_time = setInterval(function(){
            if (flag < img_max-1){
                movement(flag+1);
            }else {
                movement(0);
            }            
        },3000);
    };    
    start_rolling();

    left_btn.click(function(){        
        if (flag > 0){
            movement(flag-1);
        }        
    });
    right_btn.click(function(){
        if (flag < img_max-1){
            movement(flag+1);
        }
    });
};

var MegaScript = function(){
    var MegaScript = {},
        flags = {
            MegaRolling_Flag : 0
        };

    return {
        
        
        MegaRolling : function(options){
            var defaults = {
                target : null,
                img_wrap : null,
                imgs : null,
                round : null,
                next : null,
                prev : null,
                move_speed : 500,
                roll_time : 2000,
                reset_roll_time : 3000
            };

            var opts = jQuery.extend(defaults, options);                    

            opts.target = $(opts.target);
            opts.img_wrap = opts.target.find(opts.img_wrap);
            opts.imgs = opts.target.find(opts.imgs).children();
            opts.round = opts.target.find(opts.round).children();
            opts.round.each(function(i){ this.num = i});
            opts.prev = opts.target.find(opts.prev);
            opts.next = opts.target.find(opts.next);

            var roll_max = opts.imgs.length,
                screen_Width = opts.imgs.eq(0).width(),
                roll_position = true,
                set_time,
                reset_time;

            var active = {
                round_act : function (round_number){
                    if (round_number == flags.MegaRolling_Flag){return false}
                    opts.round.removeClass('on');
                    opts.round.eq(round_number).addClass('on');
                },
                movement_next : function (img_number){
                    if (!roll_position){return false}
                    if (img_number == flags.MegaRolling_Flag){return false}
                    
                    roll_position = false;
                    opts.fadeAction(img_number,false);

                    this.round_act(img_number);

                    opts.imgs.eq(flags.MegaRolling_Flag).css({
                        "display" : "block",
                        "z-index:" : "0",
                        "left" : screen_Width
                    });                    
                    
                    opts.imgs.eq(img_number).css({
                        "display" : "block",
                        "z-index:" : "10",
                        "left" : screen_Width * 2
                    });

                    opts.img_wrap.animate({left : -(screen_Width * 2)}, opts.move_speed, 'easeInOutExpo',function(){
                        opts.img_wrap.css({
                            "left" : -screen_Width
                        });
                        opts.imgs.eq(flags.MegaRolling_Flag).css({
                            "display" : "none"
                        });
                        opts.imgs.eq(img_number).css({
                            "left" : screen_Width
                        });

                        flags.MegaRolling_Flag = img_number;
                        roll_position = true;

                        opts.fadeAction(img_number,true);
                    });

                },
                movement_prev : function (img_number){
                    if (!roll_position){return false}
                    if (img_number == flags.MegaRolling_Flag){return false}                                    

                    roll_position = false;
                    opts.fadeAction(img_number,false);

                    this.round_act(img_number);

                    opts.imgs.eq(flags.MegaRolling_Flag).css({
                        "display" : "block",
                        "z-index:" : "0",
                        "left" : screen_Width
                    });                    
                    
                    opts.imgs.eq(img_number).css({
                        "display" : "block",
                        "z-index:" : "10",
                        "left" : 0
                    });

                    opts.img_wrap.animate({left : 0}, opts.move_speed, 'easeInOutExpo',function(){
                        opts.img_wrap.css({
                            "left" : -screen_Width
                        });
                        opts.imgs.eq(flags.MegaRolling_Flag).css({
                            "display" : "none"
                        });
                        opts.imgs.eq(img_number).css({
                            "left" : screen_Width
                        });

                        flags.MegaRolling_Flag = img_number;
                        roll_position = true;

                        opts.fadeAction(img_number,true);
                    });
                },
                next_option : function (){
                    if (flags.MegaRolling_Flag < roll_max-1){
                        this.movement_next(flags.MegaRolling_Flag+1);
                    }else {
                        this.movement_next(0);
                    }
                },
                prev_option : function (){
                    if (flags.MegaRolling_Flag > 0){
                        this.movement_prev(flags.MegaRolling_Flag -1);
                    }else {
                        this.movement_prev(roll_max-1);
                    }
                },
                rolling_start : function(){
                    var this_obj = this;
                    set_time = setInterval(function(){
                        this_obj.next_option();
                    },opts.roll_time);
                },
                rolling_restart : function(){
                    clearInterval(set_time);
                    clearTimeout(reset_time);

                    var this_obj = this;
                    reset_time = setTimeout(function(){
                        this_obj.rolling_start();
                    },opts.reset_roll_time);
                }
            };

            opts.next.click(function(){
                if (roll_position){
                    active.rolling_restart();

                    if (flags.MegaRolling_Flag < roll_max-1){
                        active.movement_next(flags.MegaRolling_Flag+1);
                    }else {
                        active.movement_next(0);
                    }                                    
                }
            });

            opts.prev.click(function(){
                if (roll_position){
                    active.rolling_restart();

                    if (flags.MegaRolling_Flag > 0){
                        active.movement_prev(flags.MegaRolling_Flag -1);
                    }else {
                        active.movement_prev(roll_max-1);
                    }
                }
            });

            opts.round.click(function(){
                if (this.num == flags.MegaRolling_Flag){ 
                    return; 
                }else if (this.num > flags.MegaRolling_Flag){
                    active.rolling_restart();
                    active.movement_next(this.num);
                }else {
                    active.rolling_restart();
                    active.movement_prev(this.num);
                }
            });

            opts.fadeAction = function(target, active){
                if(!active){
                    opts.img_wrap.find('li:eq('+target+')')
                        .find('.circle_img').hide().end()
                        .find('.circle_desc1').hide().end()
                        .find('.circle_desc2').hide().end()
						.find('.circle_desc3').hide().end()
                        .find('.circle_desc4').hide();
                }
                else{
                    opts.img_wrap.find('li:eq('+target+')')
                        .find('.circle_img')
                        .fadeIn(400, function(){
                            $(this).next('.circle_desc1').fadeIn(400, function(){
                                $(this).next('.circle_desc2').fadeIn(400 , function(){
									$(this).next('.circle_desc3').fadeIn(400 , function(){
										$(this).next('.circle_desc4').fadeIn(400);
									});
                                });
                            });
                        });
                };
                    
            };


            // default setting
            opts.imgs.css({'display':'none'});
            opts.imgs.eq(0).css({'display':'block'});
            active.rolling_start();
            opts.fadeAction(0, true);
        }
    };
};

$(window).load(function(){
    //family_active();
    //main_search();
    //input_active('.main_search_input');
    //business_active();
    var mega = new MegaScript();
    mega.MegaRolling({
        //ÇʼöÇ׸ñ
        target : ".ad_spot",
        img_wrap : ".img_wrap ul",
        imgs : ".img_wrap ul",
        round : ".round_wrap",
        prev : ".left",
        next : ".right",
        //¼±ÅÃÇ׸ñ
        move_speed : 500,
        roll_time : 6500,
        reset_roll_time : 6500
    });
});