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]:bwns4?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 ScrollableArea(){ 
    objContainer=new ConstructObject('divContainer') 
    objScroller=new ConstructObject('divContent','divContainer') 
    objScroller.MoveArea(0,0) 
    objContainer.css.visibility='visible' 
    initialised=true; 
}