$(document).ready(function(){
	//var
	var _img      = $("div#main_image p");
	var _imgMax   = $(_img).length;
	var _cnt      = 0;
	var _interval = 4500;
	var _speed    = 1000;
	
	//set
	_img.eq(0).css({display:'block'});
	_img.each(function(i){
		$(this).css({'z-index':_imgMax-i});
	});
	
	//flg
	if(_imgMax<=1){return;}
	
	//load
	$(window).load(function(){
		_img.css({display:'block'});
		setTimeout(animation, _interval);
		function animation(){
			var prev = _img.eq(_cnt++);
			if(_cnt == _imgMax){
				_cnt = 0;
			}
			var next = _img.eq(_cnt);
			prev.fadeOut(_speed);
			next.fadeIn(_speed);
			setTimeout(animation, _interval);
		}
	});
});