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 AllMenuItems = new Array();
var loop, timer 
 
function AddHeight(obj2Add)
{
	AllMenuItems[AllMenuItems.length] = obj2Add;
}

function SetListPos()
{
	for(i = 0; i < AllMenuItems.length; i++)
	{
		menu_offset += document.getElementById(AllMenuItems[i]).clientHeight + 1;
	}
	if(initialised)
	{ 
		loop=false; 
		if(menu_offset > objScroller.scrollHeight - 333)
			menu_offset = objScroller.scrollHeight - 333;
		objScroller.down(menu_offset);
	} 
}
 
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 + 3){ 
    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 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 StartScroll(direction)
{
	if(direction == 'up')
	{
		PerformScroll(-7);
	}
	else
	{
		PerformScroll(7);
	}
}

function EndScroll()
{
	CeaseScroll();
}