window.open打开多个页面并选择性关闭一些页面

window.opener='';    //window.close();    var win = window.open("http://10.121.164.12/login!login.action?yh.jh=33059363&yh.mm=654321&type=jwzh","first");    setTimeout("window.open(\"http://10.121.164.12/MapCenter!Index.action\",\"second\")",1000);    if(win){    setTimeout("win.close()",1000);    setTimeout("window.close()",1000);    }