??function?openwindow()
????{
????????var?open=confirm("是否打開新窗口？");
????????if(open==true)
????????????//?新窗口打開時彈出確認框，是否打開
????????{var?url=prompt("通過輸入框，確定打開網址","http://www.xianlaiwan.cn/");
????????if(url!==null)
????????????//?通過輸入對話框，確定打開的網址，默認為?http：//www.xianlaiwan.cn/
????????{window.open(url,"_blank",'width=400px,height=500px,menubar=no,toolbar=no');
????????}
????????????//打開的窗口要求，寬400像素，高500像素，無菜單欄、無工具欄。
????????else
????????{alert("see?you?lala!");}
????????}
????????else
????????{alert("see?you?lala!");}
????}