function openWindow()
    {
        if ( confirm("将打开新对话框") == true)
        {
           var  newWin = prompt("输入要打开的网址，默认是126","http://www.126.com/");
            window.open(newWin , '_blank' ,'width=400,height=500,menubar=no,toolbar=no');
        }
        else
        {
            alert("为毛点取消呢？");
        }
    }