點按鈕時，左下角顯示網(wǎng)頁有錯怎么回事
<script?type="text/javascript"?>
??function?openWindon(){
???if(confirm=("確定打開新窗口嗎？")){
????var?ur=prompt("請輸入一個新窗口","http.//idcbgp.cn/");
????window.open(ur,"_red",'menubar=no,toolbar=no,srollbar=yes,width=400,height=400')
???}
??}
</script>
</head>
<body>
?<input?type="button"?value="新窗口打開確認按鈕"?onclick="openWindon()"/>
</body>
2015-08-05
?window.open(ur,"_red",'menubar=no,toolbar=no,srollbar=yes,width=400,height=400')?
這一句里面的_red是什么東西？還有末尾沒加”；“