/**
*  ランダム画像切り替え
*
* @author   T&N netservice kazuma tanii
* @since    2011-02-10
*/

$(function(){  
var number_random = 3;  
var bnrimg_random = new Array(
"http://www.yomenya-goemon.com/images/img_reco01.jpg",
"http://www.yomenya-goemon.com/images/img_reco02.jpg",
"http://www.yomenya-goemon.com/images/img_reco03.jpg"
);
var rand = Math.floor( Math.random() * number_random);
$("#topbnr").attr("src",bnrimg_random[rand]);
});