function openWindow(){
var choose=confirm("是否打開新窗口？");
if (choose){
var website=prompt("輸入要打開的網址","http://www.xianlaiwan.cn");
window.open(website,'_blank','width=400px,height=500px,menubar=no,toolbar=no');
function openWindow(){
var popbox = confirm("是否打開？");
if(popbox==true)
window.open('http://www.baidu.com','_blank' ,'width=400,height=500,menubar=no,toolbar=no, status=no,scrollbars=no')
function openWindow(){
var url=confirm("是否打開？");
if(url==true)
{ window.open('http：//www.xianlaiwan.cn','_blank','width=400','height=500','menubar=no','toolbar=no')
}
}
