// javascript document
$(function() {

	//新闻滚动
	function news_scroll() {
		var nb = $("#rollnews"),
			ul = nb.find('.newslist'),
			up = $(".news_btn .up"),
			down = $(".news_btn .down"),
			idx = 1,
			delay = 3000,
			speed = 1000,
			len = nb.find(".content").length,
			maxtop = -(len - 1) * 44;

		nb.hover(function() {
			clearinterval(autoplay);
		}, function() {
			autoplay = setinterval(ap, delay);
		}).trigger('mouseleave');

		up.on('click', function() {
			clearinterval(autoplay);
			if(idx == 1) {
				idx = len;
				ul.animate({
					margintop: '+=44px'
				}, speed, function() {
					ul.css({
						margintop: maxtop
					});

				});

			} else {
				idx--;
				ul.stop(false, true).animate({
					margintop: '+=44px'
				}, speed);
			}
			autoplay = setinterval(ap, delay);
			return false;
		});

		down.on('click', function() {
			clearinterval(autoplay);
			if(idx == len) {
				idx = 1;
				ul.animate({
					margintop: '-=44px'
				}, speed, function() {
					ul.css({
						margintop: '0'
					});
				});

			} else {
				idx++;
				ul.stop(false, true).animate({
					margintop: '-=44px'
				}, speed);
			}
			autoplay = setinterval(ap, delay);
			return false;
		});

		function ap() {
			idx++;
			if(idx <= len) {
				ul.stop().animate({
					margintop: '-=44px'
				}, speed);
			} else {
				idx = 1;
				ul.animate({
					margintop: '-=44px'
				}, speed, function() {
					ul.css({
						margintop: '0'
					});
				});
			}
		};

	};
	news_scroll(); //新闻滚动

	////////////////////////

	//新闻滚动
	function news_scroll2() {
		var nb = $(".rollnews2"),
			ul = nb.find('.newslist'),
			up = $(".news_btn .up"),
			down = $(".news_btn .down"),
			idx = 1,
			delay = 3000,
			speed = 1000,
			len = nb.find(".content").length,
			maxtop = -(len - 1) * 44;

		nb.hover(function() {
			clearinterval(autoplay);
		}, function() {
			autoplay = setinterval(ap, delay);
		}).trigger('mouseleave');

		up.on('click', function() {
			clearinterval(autoplay);
			if(idx == 1) {
				idx = len;
				ul.animate({
					margintop: '+=44px'
				}, speed, function() {
					ul.css({
						margintop: maxtop
					});

				});

			} else {
				idx--;
				ul.stop(false, true).animate({
					margintop: '+=44px'
				}, speed);
			}
			autoplay = setinterval(ap, delay);
			return false;
		});

		down.on('click', function() {
			clearinterval(autoplay);
			if(idx == len) {
				idx = 1;
				ul.animate({
					margintop: '-=44px'
				}, speed, function() {
					ul.css({
						margintop: '0'
					});
				});

			} else {
				idx++;
				ul.stop(false, true).animate({
					margintop: '-=44px'
				}, speed);
			}
			autoplay = setinterval(ap, delay);
			return false;
		});

		function ap() {
			idx++;
			if(idx <= len) {
				ul.stop().animate({
					margintop: '-=44px'
				}, speed);
			} else {
				idx = 1;
				ul.animate({
					margintop: '-=44px'
				}, speed, function() {
					ul.css({
						margintop: '0'
					});
				});
			}
		};

	};
	news_scroll2(); //新闻滚动

});