function kanshou()
{
theURL = new Array();
theURL[0] = "http://www2.shogidojo.jp/shogi01/live.htm";
theURL[1] = "http://www3.shogidojo.jp/shogi01/live.htm";
theURL[2] = "http://www4.shogidojo.jp/shogi01/live.htm";
linkCount = 3;
num = Math.floor(Math.random() * linkCount);
location.href = theURL[num];
}