$(function(){
	 var len  = $("div.deffouse ul > li").length;
	 var index = 0;
	 var adtimer; 
	 var zindex = 999;
	 var $num = $('div.deffouse dl dd');
	 var $img = $("div.deffouse li");
	 
	 $num.mouseover(function(){
		 index = $num.index(this);
		 showimg(index);
		 index++;
		if(index==len){
			index=0;
		}
	 }).eq(0).mouseover();
	 
	 $('div.deffouse').hover(function(){
			 clearinterval(adtimer);
		 },function(){
			 adtimer = setinterval(function(){
				showimg(index);
				index++;
				if(index==len){
					index=0;
				}
			  } , 5000);
	 }).trigger("mouseleave");
})

function showimg(index){
	$("div.deffouse li").stop(false,true).fadeout(400); 
	$("div.deffouse li").eq(index).fadein(400);
	$('div.deffouse dd').removeclass("cur");
	$('div.deffouse dd').eq(index).addclass("cur");
}