var countCode = 1; //环形轮播当前号码
var loop;  //轮播定时器

//环形轮播函数
function loopCircle () {
	if (countCode<=3) {
		$('.column1 .annular-center .center-img img').attr("src",'./static/images/index/column1-img-'+ countCode +'.png');
		
		$('.column1 .annular-right .annular-inner-item').siblings('.annular-inner-item').removeClass("inner-active");
		$('.column1 .annular-left .annular-inner-item'+ countCode).addClass("inner-active");
		$('.column1 .annular-left .annular-inner-item'+ countCode).siblings('.annular-inner-item').removeClass("inner-active");
	}
	if (countCode>=4 && countCode<=6) {
		$('.column1 .annular-center .center-img img').attr("src",'./static/images/index/column1-img-'+ countCode +'.png');
		
		$('.column1 .annular-left .annular-inner-item').siblings('.annular-inner-item').removeClass("inner-active");
		$('.column1 .annular-right .annular-inner-item'+ countCode).addClass("inner-active");
		$('.column1 .annular-right .annular-inner-item'+ countCode).siblings('.annular-inner-item').removeClass("inner-active");
	}
	countCode = countCode + 1;
	if (countCode > 6) {
		countCode = 1;
	}
	loop = setTimeout("loopCircle()",1000);  //定时器赋值，时间间隔1s
}

//定时器清除函数
function stopLoop () {
	clearTimeout(loop);
}

//功能按钮滑动
function functions(){
	$("html,body").animate({scrollTop:430},"300");
}

//使用行业按钮滑动
function suitable(){
	$("html,body").animate({scrollTop:2415},"300");
}
//页面加载调用
$(function() {
    //页面滚动效果
/*    $(".xueshi-header .functions").bind('click',function(event){
    	
    });
    $(".xueshi-header .suitable").bind('click',function(event){
    	
    });*/

    //环形内容切换，左侧
	$('.column1 .annular-left .annular-inner-item').hover(
		function() {
			stopLoop();  //清除定时器
			var code = $(this).data('code');
			countCode = code;  //记录当前停止的位置
			$('.column1 .annular-center .center-img img').attr("src",'./static/images/index/column1-img-'+ code +'.png');
			
			$('.column1 .annular-right .annular-inner-item').siblings('.annular-inner-item').removeClass("inner-active");
			$(this).addClass("inner-active");
			$(this).siblings('.annular-inner-item').removeClass("inner-active");
		},
		function() {
			loopCircle();  //调用轮播定时器
		}
	)
	//环形内容切换，左侧
	$('.column1 .annular-right .annular-inner-item').hover(
		function() {
			stopLoop();  //清除定时器
			var code = $(this).data('code');
			countCode = code;  //记录当前停止的位置
			$('.column1 .annular-center .center-img img').attr("src",'./static/images/index/column1-img-'+ code +'.png');
			
			$('.column1 .annular-left .annular-inner-item').siblings('.annular-inner-item').removeClass("inner-active");
			$(this).addClass("inner-active");
			$(this).siblings('.annular-inner-item').removeClass("inner-active");
		},
		function() {
			loopCircle();  //调用轮播定时器
		}
	)

	//学拾使用前后轮播切换
	$('.column3 .tab-nav .tab-item').click(function() {
		$(this).addClass('active').siblings('.tab-item').removeClass('active');
	})

	//调用环形轮播函数
	loopCircle();
})