var scrollStep=1
var timerLeft=""
var timerRight=""
var timerTop=""
var timerBotton=""
var limiteImagem = 755 // mudar aqui caso insira ou altere imagens

function toTop(id){
	document.getElementById(id).scrollTop=0;
}

function scrollDivTop(id){
	clearTimeout(timerBotton);
	document.getElementById(id).scrollTop+=scrollStep;
	if (document.getElementById(id).scrollTop > limiteImagem){
		setTimeout("scrollDivBotton('"+id+"')",1000);
	}
	else timerBotton=setTimeout("scrollDivTop('"+id+"')",40);
}

function scrollDivBotton(id){
	clearTimeout(timerTop);
	document.getElementById(id).scrollTop-=scrollStep;
	if (document.getElementById(id).scrollTop < 10){
		setTimeout("scrollDivTop('"+id+"')",1000);
	}
	else timerTop=setTimeout("scrollDivBotton('"+id+"')",40);
}

function toLeft(id){
	document.getElementById(id).scrollLeft=0;
}

function scrollDivLeft(id){
	clearTimeout(timerRight);
	document.getElementById(id).scrollLeft+=scrollStep;
	timerRight=setTimeout("scrollDivLeft('"+id+"')",10);
}

function scrollDivRight(id){
	clearTimeout(timerLeft);
	document.getElementById(id).scrollLeft-=scrollStep;
	timerLeft=setTimeout("scrollDivRight('"+id+"')",10);
}

function toRight(id){
	document.getElementById(id).scrollLeft=document.getElementById(id).scrollWidth;
}

function stopMe(){
	clearTimeout(timerRight);
	clearTimeout(timerLeft);
}