// JavaScript Document
$(function () {
    function f_do($box, _num, _info) {
		var spd_p_img = 600;
		var speed_img = 4000;
		var SetInter_img;
		var $box_img;
		var $box_img_1;
		var $box_img_2;
		var li_wh_img = 0;
		var li_num_img = 0;
		var cur_li_img = 0;
		var $box_img_sm;
		var page_num = 1;
		var slide_num = 1;
        $box_img = $box.find(".img_box");
        $box_img_1 = $box_img.find(".img_box_1");
        $box_img_2 = $box_img.find(".img_box_2");
        li_wh_img = $box_img_1.find("li").width() + parseInt($box_img_1.find("li").css("margin-right"));
        li_num_img = $box_img_1.find("li").length;		slide_num = _num;
		page_num = Math.ceil(li_num_img/slide_num);
		$box_img.css({ "margin-left": 0 });
        cur_li_img = 0;
        SetInter_img = null;
        $box_img.width(2 * li_wh_img * li_num_img);
        //执行滚动
        if ($box_img_1.find("li").length > 3) {
            f_move_ban();
        }
        //开始执行滚动
        function f_move_ban() {
            $box_img_2.html($box_img_1.html());
            SetInter_img = setInterval(function(){
				cur_li_img++;
				Marquee_ban(cur_li_img);
			}, speed_img);
            $box.find(".prev").bind("click", function(){
				cur_li_img--;
				Marquee_ban(cur_li_img);
			});
            $box.find(".next").bind("click", function(){
				cur_li_img++;
				Marquee_ban(cur_li_img);
			});
            $box.hover(
				function () {
				    clearInterval(SetInter_img);
				},
				function () {
				    clearInterval(SetInter_img);
				    SetInter_img = setInterval(function(){
						cur_li_img++;
						Marquee_ban(cur_li_img);
					}, speed_img);
				}
			);
        }
        //滚动事件，初始
        function Marquee_ban(_cur) {
            if (!$box_img.is(":animated")) {
				cur_li_img = _cur;                if (cur_li_img > page_num) {
                    $box_img.css({ "margin-left": 0 });
                    cur_li_img = 1;
                }
				if (cur_li_img < 0) {
                    $box_img.css({ "margin-left": -1 * $box_img_1.width() });
                    cur_li_img = page_num-1;
                }
				$box_img.stop().animate({ "margin-left": -1*li_wh_img*cur_li_img*slide_num }, spd_p_img);
            }
        }
    }
    f_do($(".in_cont_4 .cont:first"), 1);
    f_do($(".in_cont_4 .cont").eq(1), 1);
    f_do($(".in_cont_4 .cont").eq(2), 1);
	$(".in_cont_4 .top .a_0").hover(
		function(){
			if($(this).attr("class")!="cur"){
				var _i = $(".in_cont_4 .top .a_0").index($(this));
				$(".in_cont_4 .top .a_0").removeClass("cur");
				$(".in_cont_4 .top .more").attr("href",$(".in_cont_4 .top .a_0").eq(_i).attr("href"))
				$(this).addClass("cur");
				$(".in_cont_4 .top .jt").animate({"left":77+_i*122});				//f_do($(".in_cont_4 .cont").eq(_i), 1);
				$(".in_cont_4 .cont").hide();
				$(".in_cont_4 .cont").eq(_i).show();
			}
		},
		function(){}
	);
});