// begin absolutely positioned scrollable area object scripts 

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, sDir = false;
 
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 (!sDir)
	{
		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 (sDir)
	{
		if(this.y<0){ 
		this.MoveArea(0,this.y-move); 
		if(loop) setTimeout(this.obj+".up("+move+")",speed); 
		} 
	}
} 
 
function PerformScroll(speed){ 

	if(initialised){ 
		sDir = speed>0 ? false : true;
		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; 
} 
// end absolutely positioned scrollable area object scripts