// Programação da rolagem
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.mac
    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.height:this.el.offsetWidth 
    this.clipWidth=bw.ns4?this.css.clip.width:this.el.offsetWidth 
    this.up=MoveAreaLeft;this.down=MoveAreaRight; 
    this.MoveArea=MoveArea; this.x; this.x; 
    this.obj = obj + "Object" 
    eval(this.obj + "=this") 
    return this 
} 
function MoveArea(x,y){ 
    this.x=x;this.y=y 
    this.css.left=this.y 
    this.css.down=this.x 
} 
 
 
function MoveAreaRight(move){ 
	if(this.x=-this.scrollwidth+objContainer.clipWidth){ 
	if(this.y<=-thurl.length*65){
	this.y=0
	}
	window.status=this.y
    this.MoveArea(0,this.y-move)
    if(loop) setTimeout(this.obj+".down("+move+")",speed) 
	} 
} 
function MoveAreaLeft(move){ 
	if(this.x<=0){ 
		window.status=this.y
		if(this.y>=0){
			this.y=(thurl.length*65*-1);
		}
		window.status=this.y
    	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) 
} 

function trocapos(cont,seta){
	if(navigator.appVersion.indexOf("Macintosh") != -1) {		
		if(document.all){
			/*document.all.divContainer.style.top = cont;
			document.all.divContainer.style.top = cont;
			document.all.divRightControl.style.top = seta;
			document.all.divLeftControl.style.top = seta;
			*/
		}
	}
}	

var initialised; 
function InitialiseScrollableArea(){ 
    objContainer=new ConstructObject('divContainer') 
    objScroller=new ConstructObject('divContent','divContainer') 
    objScroller.MoveArea(0,0) 
    objContainer.css.visibility='visible' 
    initialised=true; 
	//trocapos(355,400)
}