步 骤
第一步骤 ：
在<head></head>中加入如下代码：<style type="text/css">
#divUpControl {position:absolute; left:150px;top:50px; width:320px;height:30px; z-index:1; text-align: right}
#divDownControl {position:absolute; left:150px; top:170px; width:320px;height:30px; z-index:1;text-align: right}
#divContainer {LEFT: 250px; VISIBILITY: hidden; OVERFLOW: hidden; WIDTH:270px; CLIP: rect(0px 270px 150px 0px); POSITION: absolute; TOP: 70px; HEIGHT: 100px}
#divContent {LEFT: 0px; POSITION: absolute; TOP: 0px}
-->
</style>
第二步骤 ：
在<body>中加入如下代码：<body onLoad="InitialiseScrollableArea()" bgcolor="#FFFFFF" text="#000000">
第三步骤 ：
在<body></body>中加入如下代码：<script language="JavaScript">
<!--
function verifyCompatibleBrowser(){
this.ver=navigator.appVersion
this.dom=document.getElementById?1:0
this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
this.ie4=(document.all && !this.dom)?1:0;
this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
this.ns4=(document.layers && !this.dom)?1:0;
this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
return this
}
bw=new verifyCompatibleBrowser()
var speed=50
var loop, timer
function ConstructObject(obj,nest){
nest=(!nest) ? '':'document.'+nest+'.'
this.el=bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0;
this.css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0;
this.scrollHeight=bw.ns4?this.css.document.height:this.el.offsetHeight
this.clipHeight=bw.ns4?this.css.clip.height:this.el.offsetHeight
this.up=MoveAreaUp;this.down=MoveAreaDown;
this.MoveArea=MoveArea; this.x; this.y;
this.obj = obj + "Object"
eval(this.obj + "=this")
return this
}
function MoveArea(x,y){
this.x=x;this.y=y
this.css.left=this.x
this.css.top=this.y
}
function MoveAreaDown(move){
if(this.y>-this.scrollHeight+objContainer.clipHeight){
this.MoveArea(0,this.y-move)
if(loop) setTimeout(this.obj+".down("+move+")",speed)
}
}
function MoveAreaUp(move){
if(this.y<0){
this.MoveArea(0,this.y-move)
if(loop) setTimeout(this.obj+".up("+move+")",speed)
}
}
function PerformScroll(speed){
if(initialised){
loop=true;
if(speed>0) objScroller.down(speed)
else objScroller.up(speed)
}
}
function CeaseScroll(){
loop=false
if(timer) clearTimeout(timer)
}
var initialised;
function InitialiseScrollableArea(){
objContainer=new ConstructObject('divContainer')
objScroller=new ConstructObject('divContent','divContainer')
objScroller.MoveArea(0,0)
objContainer.css.visibility='visible'
initialised=true;
}
function displayStatusMsg(msgStr) {
status=msgStr;
document.returnValue = true;
}
function preloadImages() {
var d=document; if(d.images){ if(!d.p) d.p=new Array();
var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}
function swapImgRestore() {
var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function findObj(n, d) {
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document); return x;
}
function swapImage() {
var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->
</script>
<script language="JavaScript">
<!--
function reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.pgW=innerWidth; document.pgH=innerHeight; onresize=reloadPage; }}
else if (innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();
}
reloadPage(true);
// -->
</script>
</p>
<div id="divUpControl" style="width: 368; height: 30"> <a href="javascript:;" onMouseOver="PerformScroll(-7);displayStatusMsg('Scroll Up');swapImage('scroller_up_button','','../images1/up.gif',1);return document.returnValue" onMouseOut="CeaseScroll();swapImgRestore()"><img name="scroller_up_button" src="up.gif" border="0" alt="向上" width="18" height="18"></a></div>
<div id="divDownControl" style="width: 368; height: 30"> <a href="javascript:;" onMouseOver="PerformScroll(7);displayStatusMsg('Scroll Down');swapImage('scroller_down_button','','../images1/down.gif',1);return document.returnValue" onMouseOut="CeaseScroll();swapImgRestore()"><img name="scroller_down_button" src="down.gif" border="0" alt="向下" width="18" height="18"></a></div>
<div id="divContainer">
<div id="divContent" style="width: 249; height: 232"> <img src="gd35/n.gif" width="16" height="16"><font size="2" color="#FF0000"><a href="http://mzxhf.126.com">欢迎光临冰海家园</a><br>
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</font> </div>
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