
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=25 
if ( ! document.all ) speed=0

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.scrollWidth=bw.ns4?this.css.document.width:this.el.offsetWidth
    this.clipWidth=bw.ns4?this.css.clip.width:this.el.offsetWidth 
	
	this.left=MoveAreaLeft;
	this.right=MoveAreaRight;
    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 MoveAreaLeft(move)
	{ 
		if(this.x<0)
			{ 
			    this.MoveArea(this.x-move,this.y)
			    if(loop) setTimeout(this.obj+".left("+move+")",speed) 
			}

	} 

function MoveAreaRight(move)
	{
		var dif = ((!document.all)&&(document.getElementById))?10:0;

		if(this.x>-this.scrollWidth+objContainer.clipWidth-dif)
			{ 
			    this.MoveArea(this.x-move,this.y) 
			    if(loop) setTimeout(this.obj+".right("+move+")",speed) 
			} 
	}
 

function PerformScrollH(speed){
	
	if(initialised){ 
		loop=true; 
		if(speed>0) objScroller.right(speed) 
		else objScroller.left(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;
	var dif = ((!document.all)&&(document.getElementById))?10:0;

	if(objContainer.clipWidth-dif<objScroller.clipWidth)
		{
		document.getElementById('fd').style.visibility="visible";
		document.getElementById('fg').style.visibility="visible";
		}
} 
