function openWindow(){
var aa=confirm("是否打開？");
var wangzhi;
if (aa==true){
wangzhi=prompt("你要打開的網址是：","http://www.baidu.com");
function rec(){
var mychar=document.getElementById("txt");
var mymessage=confirm("確定取消設置？");
if (mymessage==true){
mychar.removeAttribute("style");
}
else {
return null;
}
}
function openWindow() {
var mywin = confirm("是否打開");
if (mywin == true) {
var add = prompt();
if (add != null) {
window.open(add,'_blank','width=400,height=500,menubar=no,toolbar=no')
}
