$(function() {
	//轮播图片地址 链接地址 停留时间
	var adlink = [
		{
			_src:"images/flash03.jpg",
			_link:"http://www.qzjyj.cn"
		},
		{
			_src:"images/flash002.jpg",
			_link:"http://www.qzjyj.cn"
		},
		{
			_src:"images/flash011.jpg",
			_link:"http://www.qzjyj.cn"
		}
		
	]
	
	var _li = $(".ad_num li");
	var _href = $(".ad_pic a");
	var _img = $(".ad_pic img");
	var _time = 4000;
	
	var i = 0
	slide();
	function slide(){
		_li.eq(i).addClass("on").siblings("li").removeClass("on");
		_href.attr("href",adlink[i]._link);
		_img.attr("src",adlink[i]._src);
		i++;
		if(i==3){i=0}
	}
	function slide_a(_num){
		_li.eq(_num).addClass("on").siblings("li").removeClass("on");
		_href.attr("href",adlink[_num]._link);
		_img.attr("src",adlink[_num]._src);
		i = _num;
	}
	_li.click(function(){
		var _num = $(this).index();
		slide_a(_num);
	});

	_img.hover(function(){
		if(auto){clearInterval(auto);}
	},function(){
		var i = _li.index();
		auto = setInterval(slide, _time);
	});
	
	var auto = setInterval(slide, _time);
	
});