我把代码剪下来,你研究研究吧。
------------------------------------<HTML><HEAD><TITLE>欢迎来到北京林业大学..Welcome to Beijing Forestry University</TITLE><META content="text/html; charset=gb2312" http-equiv=Content-Type>
<META content="北京林业大学 " name=keywords>
<META content=北京林业大学主页 name=description>
<META content=北京林业大学网络中心 name=AUTHOR>
<STYLE>#divUpControl {
HEIGHT: 12px; LEFT: 440px; POSITION: absolute; TEXT-ALIGN: right; TOP: 150px; WIDTH: 320px; Z-INDEX: 1
}
#divDownControl {
HEIGHT: 12px; LEFT: 440px; POSITION: absolute; TEXT-ALIGN: right; TOP: 330px; WIDTH: 320px; Z-INDEX: 1
}
#divContainer {
CLIP: rect(0px 320px 175px 0px); HEIGHT: 175px; LEFT: 516px; OVERFLOW: hidden; POSITION: absolute; TOP: 150px; VISIBILITY: hidden; WIDTH: 230px
}
#divContent {
LEFT: 0px; POSITION: absolute; TOP: 0px
}
</STYLE>
<LINK href="欢迎来到北京林业大学__Welcome to Beijing Forestry University.files/site.css" 
rel=stylesheet type=text/css>
<SCRIPT language=JavaScript>
<!--
//下拉菜单的图层控制
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);//变色单元格的控制
function navbarOver(src,clrOver,clrOverBorder) { if (!src.contains(event.fromElement)){ src.style.cursor = 'hand'; src.bgColor = clrOver; src.borderColor = clrOverBorder;  }}function navbarOut(src,clrIn,clrInBorder) { if (!src.contains(event.toElement)) { src.style.cursor = 'default'; src.bgColor = clrIn; src.borderColor = clrInBorder; }}
//-->
</SCRIPT><META content="MSHTML 5.00.3315.2870" name=GENERATOR></HEAD>
<BODY bgColor=#ffffff leftMargin=0 onload=InitialiseScrollableArea() 
text=#000000 topMargin=0>
<!----通过图片控制图层滚动新闻-------->
<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>
<div id=divUpControl 
                        style="HEIGHT: 12px; WIDTH: 320px"><a 
                        href="javascript:;" onMouseDown=PerformScroll(-15) 
                        onMouseOut=CeaseScroll();swapImgRestore() 
                        onMouseOver="PerformScroll(-7);displayStatusMsg('Scroll Up');swapImage('scroller_up_button','','images/up.gif',1);return document.returnValue"><img 
                        alt=按下可提高滚动速度 border=0 height=11 name=scroller_up_button 
                        src="欢迎来到北京林业大学__Welcome to Beijing Forestry University.files/up-1.gif" 
                        width=11></a></div>
<div id=divDownControl 
                        style="HEIGHT: 12px; TOP: 336px; WIDTH: 320px"><a 
                        href="javascript:;" onMouseDown=PerformScroll(15) 
                        onMouseOut=CeaseScroll();swapImgRestore() 
                        onMouseOver="PerformScroll(7);displayStatusMsg('Scroll Down');swapImage('scroller_down_button','','images/down.gif',1);return document.returnValue"><img 
                        alt=按下可提高滚动速度 border=0 height=11 
                        name=scroller_down_button 
                        src="欢迎来到北京林业大学__Welcome to Beijing Forestry University.files/down-1.gif" 
                        width=11></a></div>
<div id=divContainer> 
  <div id=divContent> 
    <script language=javascript 
                        src="欢迎来到北京林业大学__Welcome to Beijing Forestry University.files/fnews.htm"></script>
  </div>
</div>
      </BODY></HTML>

解决方案 »

  1.   

    <HTML><HEAD><TITLE>欢迎来到北京林业大学..Welcome to Beijing Forestry University</TITLE><META content="text/html; charset=gb2312" http-equiv=Content-Type>
    <META content="北京林业大学 " name=keywords>
    <META content=北京林业大学主页 name=description>
    <META content=北京林业大学网络中心 name=AUTHOR>
    <STYLE>#divUpControl {
    HEIGHT: 12px; LEFT: 440px; POSITION: absolute; TEXT-ALIGN: right; TOP: 150px; WIDTH: 320px; Z-INDEX: 1
    }
    #divDownControl {
    HEIGHT: 12px; LEFT: 440px; POSITION: absolute; TEXT-ALIGN: right; TOP: 330px; WIDTH: 320px; Z-INDEX: 1
    }
    #divContainer {
    CLIP: rect(0px 320px 175px 0px); HEIGHT: 175px; LEFT: 516px; OVERFLOW: hidden; POSITION: absolute; TOP: 150px; VISIBILITY: hidden; WIDTH: 230px
    }
    #divContent {
    LEFT: 0px; POSITION: absolute; TOP: 0px
    }
    </STYLE>
    <LINK href="欢迎来到北京林业大学__Welcome to Beijing Forestry University.files/site.css" 
    rel=stylesheet type=text/css>
    <SCRIPT language=JavaScript>
    <!--
    //下拉菜单的图层控制
    function MM_reloadPage(init) {  //reloads the window if Nav4 resized
      if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
        document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
      else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
    }
    MM_reloadPage(true);//变色单元格的控制
    function navbarOver(src,clrOver,clrOverBorder) { if (!src.contains(event.fromElement)){ src.style.cursor = 'hand'; src.bgColor = clrOver; src.borderColor = clrOverBorder;  }}function navbarOut(src,clrIn,clrInBorder) { if (!src.contains(event.toElement)) { src.style.cursor = 'default'; src.bgColor = clrIn; src.borderColor = clrInBorder; }}
    //-->
    </SCRIPT><META content="MSHTML 5.00.3315.2870" name=GENERATOR></HEAD>
    <BODY bgColor=#ffffff leftMargin=0 onload=InitialiseScrollableArea() 
    text=#000000 topMargin=0>
    <!----通过图片控制图层滚动新闻-------->
    <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) 
    }
      

  2.   

    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>
    <div id=divUpControl 
                            style="HEIGHT: 12px; WIDTH: 320px"><a 
                            href="javascript:;" onMouseDown=PerformScroll(-15) 
                            onMouseOut=CeaseScroll();swapImgRestore() 
                            onMouseOver="PerformScroll(-7);displayStatusMsg('Scroll Up');swapImage('scroller_up_button','','images/up.gif',1);return document.returnValue"><img 
                            alt=按下可提高滚动速度 border=0 height=11 name=scroller_up_button 
                            src="欢迎来到北京林业大学__Welcome to Beijing Forestry University.files/up-1.gif" 
                            width=11></a></div>
    <div id=divDownControl 
                            style="HEIGHT: 12px; TOP: 336px; WIDTH: 320px"><a 
                            href="javascript:;" onMouseDown=PerformScroll(15) 
                            onMouseOut=CeaseScroll();swapImgRestore() 
                            onMouseOver="PerformScroll(7);displayStatusMsg('Scroll Down');swapImage('scroller_down_button','','images/down.gif',1);return document.returnValue"><img 
                            alt=按下可提高滚动速度 border=0 height=11 
                            name=scroller_down_button 
                            src="欢迎来到北京林业大学__Welcome to Beijing Forestry University.files/down-1.gif" 
                            width=11></a></div>
    <div id=divContainer> 
      <div id=divContent> 
        <script language=javascript>
    javastr="" 
    javastr=javastr+"<table width=\"100%\" border=\"0\">" 
     
    javastr=javastr+"<tr><td>" 
    javastr=javastr+"<font color=\"#597BC3\" size=\"1\">■</font><span style=\"font-size:9pt;line-height: 15pt\"><a href=\"aa/dianzixw/open.asp?id=494&path=xyds&filename=2002423170847.htm\" target=\"_blank\") >校党委书记胡汉斌谈我校办学思路</span></a><font color=\"#999999\" font size=\"1\"><2002-4-23 17:08:47></font>" 
    javastr=javastr+"</td></tr>" 
     
    javastr=javastr+"<tr><td>" 
    javastr=javastr+"<font color=\"#597BC3\" size=\"1\">■</font><span style=\"font-size:9pt;line-height: 15pt\"><a href=\"aa/dianzixw/open.asp?id=492&path=xyds&filename=2002423161903.htm\" target=\"_blank\") >我校中心组考察 “社会主义新农村”</span></a><font color=\"#999999\" font size=\"1\"><2002-4-23 16:19:03></font>" 
    javastr=javastr+"</td></tr>" 
     
    javastr=javastr+"<tr><td>" 
    javastr=javastr+"<font color=\"#597BC3\" size=\"1\">■</font><span style=\"font-size:9pt;line-height: 15pt\"><a href=\"aa/dianzixw/open.asp?id=483&path=xyds&filename=2002419165345.htm\" target=\"_blank\") >20项举措提升我校本科教学质量</span></a><font color=\"#999999\" font size=\"1\"><2002-4-19 16:53:45></font>" 
    javastr=javastr+"</td></tr>" javastr=javastr+"<tr><td>" 
    javastr=javastr+"<font color=\"#597BC3\" size=\"1\">■</font><span style=\"font-size:9pt;line-height: 15pt\"><a href=\"aa/dianzixw/open.asp?id=473&path=xyds&filename=200241684127.htm\" target=\"_blank\") >学生处向全体同学发出倡议书</span></a><font color=\"#999999\" font size=\"1\"><2002-4-16 8:41:27></font>" 
    javastr=javastr+"</td></tr>" 
     
    javastr=javastr+"<tr><td>" 
    javastr=javastr+"<font color=\"#597BC3\" size=\"1\">■</font><span style=\"font-size:9pt;line-height: 15pt\"><a href=\"aa/dianzixw/open.asp?id=468&path=xyds&filename=200248162803.htm\" target=\"_blank\") >首都大学生创建绿色奥运活动正式启动</span></a><font color=\"#999999\" font size=\"1\"><2002-4-8 16:28:03></font>" 
    javastr=javastr+"</td></tr>" 
     
    javastr=javastr+"<tr><td>" 
    javastr=javastr+"<font color=\"#597BC3\" size=\"1\">■</font><span style=\"font-size:9pt;line-height: 15pt\"><a href=\"aa/dianzixw/open.asp?id=467&path=xyds&filename=200245181753.htm\" target=\"_blank\") >北京林业大学参加中共北京市第九次代表大会代表候选人简介</span></a><font color=\"#999999\" font size=\"1\"><2002-4-5 18:17:53></font>" 
    javastr=javastr+"</td></tr>" 
     
    javastr=javastr+"</table>"  
    document.write (javastr)
    </script>
      </div>
    </div>
          </BODY></HTML>