css 和div 如何实现网页右下角提示框

<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><meta name="Keywords" content="51windows.Net"><META NAME="Author" CONTENT="haiwa"><title>类似MSN提示的页面效果</title></head><body scroll=no>看到右下角的提示了吗?如果没有看到,<button onclick=location.reload();>刷新</button>一下<script language="JavaScript">window.onload = getMsg;window.onresize = resizeDiv;window.onerror = function(){}//短信提示使用(asilas添加)var divTop,divLeft,divWidth,divHeight,docHeight,docWidth,objTimer,i = 0;function getMsg(){ try{ divTop = parseInt(document.getElementById("eMeng").style.top,10) divLeft = parseInt(document.getElementById("eMeng").style.left,10) divHeight = parseInt(document.getElementById("eMeng").offsetHeight,10) divWidth = parseInt(document.getElementById("eMeng").offsetWidth,10) docWidth = document.body.clientWidth; docHeight = document.body.clientHeight; document.getElementById("eMeng").style.top = parseInt(document.body.scrollTop,10) + docHeight + 10;// divHeight document.getElementById("eMeng").style.left = parseInt(document.body.scrollLeft,10) + docWidth - divWidth document.getElementById("eMeng").style.visibility="visible" objTimer = window.setInterval("moveDiv()",10) } catch(e){}}function resizeDiv(){ i+=1 if(i>500) closeDiv() try{ divHeight = parseInt(document.getElementById("eMeng").offsetHeight,10) divWidth = parseInt(document.getElementById("eMeng").offsetWidth,10) docWidth = document.body.clientWidth; docHeight = document.body.clientHeight; document.getElementById("eMeng").style.top = docHeight - divHeight + parseInt(document.body.scrollTop,10) document.getElementById("eMeng").style.left = docWidth - divWidth + parseInt(document.body.scrollLeft,10) } catch(e){}}function moveDiv(){ try { if(parseInt(document.getElementById("eMeng").style.top,10) <= (docHeight - divHeight + parseInt(document.body.scrollTop,10))) { window.clearInterval(objTimer) objTimer = window.setInterval("resizeDiv()",1) } divTop = parseInt(document.getElementById("eMeng").style.top,10) document.getElementById("eMeng").style.top = divTop - 1 } catch(e){}}function closeDiv(){ document.getElementById('eMeng').style.visibility='hidden'; if(objTimer) window.clearInterval(objTimer)}</script><DIV id=eMeng style="BORDER-RIGHT: #455690 1px solid; BORDER-TOP: #a6b4cf 1px solid; Z-INDEX:99999; LEFT: 0px; VISIBILITY: hidden; BORDER-LEFT: #a6b4cf 1px solid; WIDTH: 180px; BORDER-BOTTOM: #455690 1px solid; POSITION: absolute; TOP: 0px; HEIGHT: 116px; BACKGROUND-COLOR: #c9d3f3"> <TABLE style="BORDER-TOP: #ffffff 1px solid; BORDER-LEFT: #ffffff 1px solid" cellSpacing=0 cellPadding=0 width="100%" bgColor=#cfdef4 border=0> <TBODY> <TR> <TD style="FONT-SIZE: 12px;COLOR: #0f2c8c" width=30 height=24></TD> <TD style="FONT-WEIGHT: normal; FONT-SIZE: 12px;COLOR: #1f336b; PADDING-TOP: 4px;PADDING-left: 4px" vAlign=center width="100%"> 短消息提示:</TD> <TD style="BACKGROUND-IMAGE: url(msgTopBg.gif); PADDING-TOP: 2px;PADDING-right:2px" vAlign=center align=right width=19><span title=关闭 style="CURSOR: hand;color:red;font-size:12px;font-weight:bold;margin-right:4px;" onclick=closeDiv() >×</span></TD> </TR> <TR> <TD style="PADDING-RIGHT: 1px;PADDING-BOTTOM: 1px" colSpan=3 height=90> <DIV style="BORDER-RIGHT: #b9c9ef 1px solid; PADDING-RIGHT: 13px; BORDER-TOP: #728eb8 1px solid; PADDING-LEFT: 13px; FONT-SIZE: 12px; PADDING-BOTTOM: 13px; BORDER-LEFT: #728eb8 1px solid; WIDTH: 100%; COLOR: #1f336b; PADDING-TOP: 18px; BORDER-BOTTOM: #b9c9ef 1px solid; HEIGHT: 100%">您有<font color=#FF0000>1</font>封新短消息<BR><BR> <DIV align=center style="word-break:break-all"><a href="javascript:alert('你好')"><font color=#FF0000>点击查看短信</font></a></DIV </DIV> </TD> </TR> </TBODY> </TABLE></DIV></body></html>

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