function openWindow()
{
??? var con;
??? con=confirm("是否要打開新窗口");
??? if(con==true)
??? {
??????? var url="http://www.xianlaiwan.cn";
??????? var pro=prompt("是否要打開默認網站",url);
????? ?
??????? if(pro!=null)
??????? {
??????????? window.open(url,'xin','width=400,height=500 ,menubar=no,toolbar=no');
??????? }
??????? else

????????{alert("下次再見哦");}
?????? ?
??? }
??? else
??? {alert("下次見哦");}
}