Web网页对话框可拖动、关闭(自动)文字循环变化

<title>web 页对话框</title> <style>span,table{font-size:10pt;margin:0pt}</style> <table id="table1" bordercolorlight="#d8d0c8" bordercolordark="#808080" border="2" style="display:block;position:absolute;width:400;height:257;left:100;top:50;background-color:#c0c0c0;"><tr><td style="vertical-align:top"> <span id="span1" onselectstart="return false" style="cursor:nw-resize;width:400;background-color:#002468" onmousedown="down1()" onmouseup="up1()"> tip of the day -- web 页对话框 <span style="width:157;height:8;background:#002468"></span> <span id="x" style="color:black;background:#d8d0c8;width:18;height:8;vertical-align:middle;text-align:center;padding:0;margin:2;cursor:hand;border-style:outset;border-width:2" onclick="closewin()">x</span></span> <span style="width:10;background-color:#c0c0c0;height:160"></span> <span id="span2" style="border-style:solid;border-width:1;border-color:#808080;width:60;background-color:#808080;height:160">   <b><font color="white" style="cursor:help" onclick='alert("大家随便拿去用哦^o^")'>帮助</font></b> <span style="color:white;" id="num">  1/5</span> </span> <span style="border-style:solid;border-width:1;border-color:#808080;width:320;background-color:white;height:60;position:absolute;"> <h3><b>  你知道吗...</b></h3></span> <span id="call" style="border-style:solid;border-width:1;border-color:#808080;width:320;background-color:white;height:100;text-align:center;"> <span id="message" style="width:270;height:70;background:white">大家好，我是dennisboys</span> </span> <span>  <input id="check1" type="checkbox" checked onclick="checkone()" onfocus="this.blur()"> 自动翻帖</span> <span style="width:155;height:20;background:#c0c0c0"></span> <span><input type="button" value="下一帖" style="background-color:#c0c0c0" onclick="nextmsg()" onfocus="this.blur()"></span> <span><input type="button" value="关闭" style="background-color:#c0c0c0" onfocus="this.blur()" onclick="closewin()"></span> </td></tr></table>
[ctrl+a 全选 注:如需引入外部js需刷新才能执行]