javascript可關閉的仿IE頂部警告條

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javascript可關閉的仿IE頂部警告條<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>javascript可關閉的仿IE頂部警告條</title><meta http-equiv="content-type" content="text/html;charset=gb2312"><!--把下面代碼加到<head>與</head>之間--><style type="text/css">#informationbar{position: fixed;left: 0;width: 100%;text-indent: 5px;padding: 5px 0;background-color: lightyellow;border-bottom: 1px solid black;font: bold 12px Verdana;}* html #informationbar{position: absolute;width: expression(document.compatMode=="CSS1Compat"? document.documentElement.clientWidth+"px" : body.clientWidth+"px");}</style></head><body><!--把下面代碼加到<body>與</body>之間--><script type="text/javascript">function informationbar(){this.displayfreq="always"this.content=''}informationbar.prototype.setContent=function(data){this.content=this.content+datadocument.write('<div id="informationbar" >'+this.content+'</div>')}informationbar.prototype.animatetoview=function(){var barinstance=thisif (parseInt(this.barref.style.top)<0){this.barref.style.top=parseInt(this.barref.style.top)+5+"px"setTimeout(function(){barinstance.animatetoview()}, 50)}else{if (document.all && !window.XMLHttpRequest)this.barref.style.setExpression("top", 'document.compatMode=="CSS1Compat"?document.documentElement.scrollTop+"px":body.scrollTop+"px"')elsethis.barref.style.top=0}}informationbar.close=function(){document.getElementById("informationbar").style.display="none"if (this.displayfreq=="session")document.cookie="infobarshown=1;path=/"}informationbar.prototype.setfrequency=function(type){this.displayfreq=type}informationbar.prototype.initialize=function(){if (this.displayfreq=="session" && document.cookie.indexOf("infobarshown")==-1 || this.displayfreq=="always"){this.barref=document.getElementById("informationbar")this.barheight=parseInt(this.barref.offsetHeight)this.barref.style.top=this.barheight*(-1)+"px"this.animatetoview()}}window.onunload=function(){this.barref=null}//Invocation codevar infobar=new informationbar()infobar.setContent('中國站長天空,站長建站樂園,網址:http://www.111cn.net 立即訪問')infobar.initialize()</script></body></html>
提示:您可以先修改部分代碼再運行
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