$(function(){
	/*首页banner轮换*/
	$.indexBanner = {
		container:$("#index-banner"),
		banners:$("#slideBannerContainer"),
		thumbnails:$("#slideBannerNav-inner"),
		navBg:$("#slideNavBg"),
		navBgHide:function(){
			var _navBg = this.navBg;
			var resetPosition = _navBg.height();
			_navBg.css("bottom", -resetPosition);
		},
		thumbnailsHide:function(){
			var _thumbnails = this.thumbnails;
			_thumbnails.children().css("opacity", "0");
		},
		navShow:function(){
			var _container = this.container;
			var _navBg = this.navBg;
			var _thumbnails = this.thumbnails;
			var resetPosition = _navBg.height();
			var thumbnailTime = 600;
			_container.hover(function(){
					_navBg.stop(true,true).animate({"bottom":"0px"},"fast");
					_thumbnails.children().animate({opacity:"1"}, thumbnailTime);
					clearInterval($.indexBanner.t);
					//alert($.indexBanner.t);
				},function(){
					_navBg.stop(true,true).animate({"bottom":-resetPosition},"fast");
					_thumbnails.children().stop(true, true).css("opacity", "0");
					$.indexBanner.t = setInterval($.indexBanner.autoShow, 5000);
			});
		},
		navBindClick:function(){
			var _banners = this.banners;
			var _thumbnails = this.thumbnails;
			_thumbnails.children().click(function(){
				var showIndex = $(this).index();
				var currentIndex = _banners.children(".current").index();
				var startPosition = $(window).width();
				if(showIndex != currentIndex){
					_banners.children().eq(showIndex).css({"left":-startPosition, "z-index":6}).animate({"left":"0px"}, {duration:1500,   complete: function(){
							$(this).css("z-index", 5).addClass("current").siblings().removeClass("current").css("z-index", 4);
						}
					});
					$(this).addClass("current").siblings().removeClass("current");
				}
			});
		},
		autoShow:function(){
			var _banners = $.indexBanner.banners;
			var _thumbnails = $.indexBanner.thumbnails;
			var currentIndex = _banners.children(".current").index();
			var totalNum = _banners.children().size();
			var showIndex = currentIndex + 1;
			if(showIndex >= totalNum){
				showIndex = 0;
			}
			_thumbnails.children().eq(showIndex).click();
		},
		init:function(){
			this.navBgHide();
			this.thumbnailsHide();
			this.navShow();
			this.navBindClick();
			this.t = setInterval(this.autoShow, 5000);
		}
	};
	
		/*首页banner初始化*/
	$.indexBanner.init();
});