这个行吗？
<!DOCTYPE html>
<html>
<head>
<title> new document </title>
<meta http-equiv="Content-Type" content="text/html; charset=gbk"/>
<script type="text/javascript">
function openWindow(){
var mymessage=confirm('确定打开新窗口吗？')
if (mymessage==true)
{
window.open('http://www.imooc.com/','width=400','height=500','menubar=no','toolbar=no')
}
else{
document.write("取消")
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>
