// JavaScript Document
///*2010,09,30 書き換え
//*/
jQuery(function($){
	var img = [];
	var imgSrc = "main_img01.jpg,main_img02.jpg,main_img03.jpg,main_img04.jpg".split(",");
	//イメージの読み込み
for (var i=0; i<imgSrc.length; i++) {
	img[i] = new Image();
	img[i].src = "img_top/"+imgSrc[i];
}
//表示の切替え speed:fadeInの速度、interval:画像切替え間隔
var count = 0, interval = 5, speed = 2;
	$("#mainImage img:first").clone().css("position","absolute").css("zIndex","10").hide().prependTo("#mainImage");
	 function changeImg() {
		$("#mainImage img:first").attr("src", img[count].src).fadeIn(speed*1000 , function() {
			var tmp = $("#mainImage img:first").attr("src");
			$("#mainImage img:last").attr("src", tmp);
			$("#mainImage img:first").hide();
		});
	count = ++count%img.length;
	}
	setInterval(changeImg, interval*1000);
	changeImg();
});