// var jq = $.noconflict();
var jq = $;
jq.fn.banqh = function (can) {
	can = jq.extend({
		box: null,//总框架
		pic: null,//大图框架
		pnum: null,//小图框架
		prev_btn: null,//小图左箭头
		next_btn: null,//小图右箭头
		autoplay: false,//是否自动播放
		intertime: 5000,//图片自动切换间隔
		delaytime: 800,//切换一张图片时间
		order: 0,//当前显示的图片（从0开始）
		picdire: true,//大图滚动方向（true水平方向滚动）
		mindire: true,//小图滚动方向（true水平方向滚动）
		min_picnum: null,//小图显示数量
	}, can || {});
	var picnum = jq(can.pic).find('ul li').length;
	var wb = picnum * 10;
	var picw = jq(can.pic).find('ul li').outerwidth(true);
	var pich = jq(can.pic).find('ul li').outerheight(true);
	var poppicw = jq(can.pop_pic).find('ul li').outerwidth(true);
	var picminnum = jq(can.pnum).find('ul li').length;
	var picpopnum = jq(can.pop_pic).find('ul li').length;
	var picminw = jq(can.pnum).find('ul li').outerwidth(true);
	var picminh = jq(can.pnum).find('ul li').outerheight(true);
	var pictime;
	var tpqhnum = 0;
	var xtqhnum = 0;
	var popnum = 0;
	jq(can.pic).find('ul').width(picnum * picw + wb).height(picnum * pich);
	jq(can.pnum).find('ul').width(picminnum * picminw).height(picminnum * picminh);
	jq(can.pop_pic).find('ul').width(picpopnum * poppicw);

	//点击小图切换大图
	jq(can.pnum).find('li').click(function () {
		tpqhnum = xtqhnum = jq(can.pnum).find('li').index(this);
		show(tpqhnum);
		minshow(xtqhnum);
	}).eq(can.order).trigger("click");

	if (can.autoplay == true) {
		//自动播放
		pictime = setinterval(function () {
			show(tpqhnum);
			minshow(tpqhnum)
			tpqhnum++;
			xtqhnum++;
			if (tpqhnum == picnum) { tpqhnum = 0 };
			if (xtqhnum == picminnum) { xtqhnum = 0 };
		}, can.intertime);

		//鼠标经过停止播放
		jq(can.box).hover(function () {
			clearinterval(pictime);
		}, function () {
			pictime = setinterval(function () {
				show(tpqhnum);
				minshow(tpqhnum)
				tpqhnum++;
				xtqhnum++;
				if (tpqhnum == picnum) { tpqhnum = 0 };
				if (xtqhnum == picminnum) { xtqhnum = 0 };
			}, can.intertime);
		});
	}
	//小图左右切换			
	jq(can.prev_btn).click(function () {
		if (tpqhnum == 0) { tpqhnum = picnum };
		if (xtqhnum == 0) { xtqhnum = picnum };
		xtqhnum--;
		tpqhnum--;
		show(tpqhnum);
		minshow(xtqhnum);
	})
	jq(can.next_btn).click(function () {
		if (tpqhnum == picnum - 1) { tpqhnum = -1 };
		if (xtqhnum == picminnum - 1) { xtqhnum = -1 };
		xtqhnum++;
		minshow(xtqhnum)
		tpqhnum++;
		show(tpqhnum);
	})
	//小图切换过程
	function minshow(xtqhnum) {
		var mingdjl_num = xtqhnum - can.min_picnum + 2
		var mingdjl_w = -mingdjl_num * picminw;
		var mingdjl_h = -mingdjl_num * picminh;

		if (can.mindire == true) {
			jq(can.pnum).find('ul li').css('float', 'left');
			if (picminnum > can.min_picnum) {
				if (xtqhnum < 2) { mingdjl_w = 0; }
				if (xtqhnum == picminnum - 1) { mingdjl_w = -(mingdjl_num - 1) * picminw; }
				jq(can.pnum).find('ul').stop().animate({ 'left': mingdjl_w }, can.delaytime);
			}

		} else {
			jq(can.pnum).find('ul li').css('float', 'none');
			if (picminnum > can.min_picnum) {
				if (xtqhnum < 2) { mingdjl_h = 0; }
				if (xtqhnum == picminnum - 1) { mingdjl_h = -(mingdjl_num - 1) * picminh; }
				jq(can.pnum).find('ul').stop().animate({ 'top': mingdjl_h }, can.delaytime);
			}
		}

	}
	//大图切换过程
	function show(tpqhnum) {
		var gdjl_w = -tpqhnum * picw;
		var gdjl_h = -tpqhnum * pich;
		if (can.picdire == true) {
			jq(can.pic).find('ul li').css('float', 'left');
			jq(can.pic).find('ul').stop().animate({ 'left': gdjl_w }, can.delaytime);
		} else {
			jq(can.pic).find('ul').stop().animate({ 'top': gdjl_h }, can.delaytime);
		}//滚动
		jq(can.pnum).find('li').eq(tpqhnum).addclass("on").siblings(this).removeclass("on");
	};
}