var curRecommIdx = 0;
function showrecommend(recommIdx){
	if(recommIdx==curRecommIdx)return;
	curRecommIdx = recommIdx;
	$("#li_recomm img").fadeOut(1000);
	$("#recomm_"+curRecommIdx).fadeIn(1000);
	clearInterval(interval);
	interval = setInterval(funinterval,5000);
	$("li[id^='li_recomm_']").removeClass('on');
	$("#li_recomm_"+curRecommIdx).addClass('on');
}
function funinterval(){
	if(curRecommIdx==3){
		showrecommend(0);
	}
	else{
		showrecommend(curRecommIdx+1);
	}
}
var interval = setInterval(funinterval,5000);

var mulit = 0;