http://www.javascriptkit.com/script/script2/infobar.shtml
بايد قطعه کد زير را بين دو تگbody در کدهاي خود قرار دهيد:

 

<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{ /*IE6 hack*/
position: absolute;
width: expression(document.compatMode=="CSS1Compat"? document.documentElement.clientWidth+"px" : body.clientWidth+"px");
}

</style>

<script type="text/javascript">

/***********************************************

* Animated Information Bar- by JavaScript Kit (www.javascriptkit.com)
* This notice must stay intact for usage
* Visit JavaScript Kit at http://www.javascriptkit.com/ for this script and 100s more

***********************************************/

function informationbar(){
    this.displayfreq="always"
    this.content='<a href="javascript:informationbar.close()"><img src="close.gif" style="width: 14px; height: 14px; float: right; border: 0; margin-right: 5px" /></a>'
}

informationbar.prototype.setContent=function(data){
    this.content=this.content+data
    document.write('<div id="informationbar" style="top: -500px">'+this.content+'</div>')
}

informationbar.prototype.animatetoview=function(){
    var barinstance=this
    if (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"')
    else
        this.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
}

</script>


<script type="text/javascript">
<!--Invocation code-->

var infobar=new informationbar()
infobar.setContent('Welcome to JavaScript Kit! It appears you are not registered yet on our site. Why wait? <a href="#">Register here</a>')
//infobar.setfrequency('session') //Uncomment this line to set information bar to only display once per browser session!
infobar.initialize()

</script>

 

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حميد رضا نيرومند

منبع: www.aftabgardan-cc.com