var speed=1;
var autoScroll = 1;
var autoTimeout = 1;
var timerScroll;

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();

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=0;
    this.y=y;
    this.css.left=this.x;
    this.css.top=this.y-80;
}

function MoveAreaDown(move)
{
   if(this.y>-this.scrollHeight+objContainer.clipHeight)
   {
       this.MoveArea(0,this.y-move);
   }
   else
   {
       this.MoveArea(0,0);
   }
}
function MoveAreaUp(move)
{
   if(this.y<0)
   {
      this.MoveArea(0,this.y-move)
   }
}

function PerformScroll(speed)
{
   if(initialised)
   {
      if(speed>0)
      {
          objScroller.down(speed);
      }
      else
      {
         objScroller.up(speed);
      }
   }
   timerScroll = window.setTimeout("PerformScroll("+speed+")", 75);
}

function MouseScroll(speed)
{
   if(initialised)
   {
      clearTimeout(timerScroll);
      timerScroll = window.setTimeout("PerformScroll("+speed+")", 60);
   }
}

function CeaseScroll()
{
  if(initialised)
  {
     clearTimeout(timerScroll);
     timerScroll = window.setTimeout("PerformScroll("+autoScroll+")", autoTimeout);
  }
}

function pause()
{
   window.status="";
   clearTimeout(timerScroll);
   return true;
}

var initialised;
function InitialiseScrollableArea()
{
    objContainer=new ConstructObject('divContainer')
    objScroller=new ConstructObject('divContent','divContainer')
    objScroller.MoveArea(0,0)
    objContainer.css.visibility='visible'
    initialised=true;
    clearTimeout(timerScroll);
	window.setTimeout("PerformScroll("+autoScroll+")", 1500);
	//PerformScroll(autoScroll);
}