js+Css实现的一个简单对话框-优快云博客

博主强调其作品的原创性并要求转载时注明来源。同时，提醒访客保持评论区的文明交流，并指导如何正确享受站内音乐资源。

<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <title>提示信息框</title>
    <style type="text/css">
a{ color:#000; font-size:12px;text-decoration:none}
a:hover{ color:#900; text-decoration:underline}
body{background:;filter:progid:DXImageTransform.Microsoft.Gradient(gradientType=0,startColorStr=#ffffff,endColorStr=#003366); overflow:hidden}
#massage_box{ position:absolute; left:expression((body.clientWidth-350)/2); top:expression((body.clientHeight-200)/2); width:350px; height:200px;filter:dropshadow(color=#666666,offx=3,offy=3,positive=2); z-index:2; visibility:hidden}
#mask{ position:absolute; top:0; left:0; width:expression(body.scrollWidth); height:expression(body.scrollHeight); background:#666; filter:ALPHA(opacity=60); z-index:1; visibility:hidden}
.massage{border:#036 solid; border-width:1 1 3 1; width:95%; height:95%; background:#fff; color:#036; font-size:12px; line-height:150%}
.header{background:#036; height:10%; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:12px; padding:3 5 0 5; color:#fff}
</style>
    
    <script language="javascript">
        var Obj = ''
        document.onmouseup = MUp
        document.onmousemove = MMove

        function MDown(Object) {
            Obj = Object.id
            document.all(Obj).setCapture()
            pX = event.x - document.all(Obj).style.pixelLeft;
            pY = event.y - document.all(Obj).style.pixelTop;
        }

        function MMove() {
            if (Obj != '') {
                document.all(Obj).style.left = event.x - pX;
                document.all(Obj).style.top = event.y - pY;
            }
        }

        function MUp() {
            if (Obj != '') {
                document.all(Obj).releaseCapture();
                Obj = '';
            }
        }
    </script>
</head>
<body>
    <div id="massage_box">
        <div class="massage">
            <div class="header" onmousedown="MDown(massage_box)">
                <div style="display: inline; width: 150px; position: absolute">
                    本站提示信息
                </div>
                <span onclick="massage_box.style.visibility='hidden'; mask.style.visibility='hidden'"
                    style="float: right; display: inline; cursor: hand">×</span></div>
            <ul style="margin-right: 25">
                <li>本人申明此博客所有文章（包括文章插图）均为原创，如需引用或转载请注明出处。 </li>
                <li>欢迎大家对博文中观点留言评述，谢绝无聊人士无素质无观点的灌水漫骂。</li><li>本站已设背景音乐，听音乐盒中收集的音乐时请先到页面底部关闭背景音乐。</li></ul>
        </div>
    </div>
    <div id="mask">
    </div>
    <span onclick="mask.style.visibility='visible';massage_box.style.visibility='visible'"
        style="cursor: hand"><a href="#">显示提示信息</a></span>

    bottom here
</body>
</html>