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]: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.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= eval("'"+this.x+"px'") ;
	this.css.top = eval("'"+this.y+"px'") ;
} 

function MoveAreaRight(move){ 
//alert(this.x + ':' + this.scrollWidth + ':' + objContainer.clipWidth);
	if(this.x>-this.scrollWidth+objContainer.clipWidth){ 
		this.MoveArea(this.x-move,0);
		if(loop) setTimeout(this.obj+".right("+move+")",speed);
	}
} 
function MoveAreaLeft(move){ 
	if(this.x<0){ 
		this.MoveArea(this.x-move,0);
		if(loop) setTimeout(this.obj+".left("+move+")",speed);
	} 
} 

function PerformScroll(speed){ 
	if(initialized){ 
		loop=true;
		if(speed>0) objScroller.right(speed);
		else objScroller.left(speed);
	} 
} 

function CeaseScroll(){ 
	loop=false;
	if(timer) clearTimeout(timer);
} 
var initialized; 
function InitializeScrollableArea(){ 
	objContainer=new ConstructObject('divContainer');
	objScroller=new ConstructObject('divContent','divContainer');
	objScroller.MoveArea(0,0);
	objContainer.css.visibility='visible';
	initialized=true; 
} 

