动态显示等待消息

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    <script language="javascript">
        function DisplayMessage()
        {
            var layMes = document.getElementById("layerMessage");
            layMes.style.visibility = "visible";
            setInterval("DisplayDot();",800);
        }
        
        function DisplayDot()
        {
            var layMes = document.getElementById("layerMessage");
            var message = layMes.innerText;
            if(message.indexOf('.....') != -1)
            {
                layMes.innerText = "文件正在上传,请稍候.";
            }
            else if(message.indexOf('....') != -1)
            {
                layMes.innerText = "文件正在上传,请稍候.....";
            }
            else if(message.indexOf('...') != -1)
            {
                layMes.innerText = "文件正在上传,请稍候....";
            }
            else if(message.indexOf('..') != -1)
            {
                layMes.innerText = "文件正在上传,请稍候...";
            }
            else if(message.indexOf('.') != -1)
            {
                layMes.innerText = "文件正在上传,请稍候..";
            }
        }
    </script>