function banner(){
	var d=0;
	var speed=6000;
	var count=1;
	var time;
	var fouse=$('#banner .d1');
	var dot=$('#banner_id li');
	fouse.hide();
	fouse.eq(0).fadeIn('slow');
	if(fouse.length>0){
		dot.eq(0).addClass('nuw');
		function Carousel(){
			var c=d+1;
			if(c>fouse.length-1){
				c=0;
			}
			fouse.eq(d).css('z-index','2');
			fouse.eq(c).css('z-index','1');
			fouse.eq(c).fadeIn(4000);
			fouse.eq(d).fadeOut(4000);
			dot.removeClass('nuw');
			dot.eq(c).addClass('nuw');
			d=c;
		}
		time=setInterval(Carousel,speed);
		dot.click(function(){
			var e=dot.index(this);
			if(e!=d&&count==1){
				count=0;
				fouse.eq(d).css('z-index','2');
				fouse.eq(e).css('z-index','1');
				fouse.eq(e).show();
				fouse.eq(d).fadeOut('slow',function(){count=1});
				dot.removeClass('nuw');
				dot.eq(e).addClass('nuw');
				d=e;
			}
		});
		$('#banner_id').hover(function(){
			clearInterval(time);
		},function(){
			time=setInterval(Carousel,speed);
		});
	}
	else{
		$('#banner').hide();
	}
}