// JavaScript Document
var intervalo;
function moverConteudo(id, op){
	var elem = document.getElementById(id);
	var ofHeight  = elem.offsetHeight;
	var posAtual  = elem.scrollTop
	clearInterval(intervalo);
	if(op == 0){
		varC = ofHeight;
		varT = 0;
		varD = 50;
		varB = posAtual
		//document.getElementById('ver2').innerHTML = varT +" , "+ varB +" , "+ varC +" , "+ varD;
		intervalo = window.setInterval(
			function() { 
				elem.scrollTop = easeOutExpo(varT, varB, varC, varD);
				//document.getElementById('ver').innerHTML =  elem.scrollTop;
				varT++;
				if (varT > varD){
					window.clearInterval(intervalo);
				}
			} 
		,10)		
	}else{
		varC = -1*ofHeight;
		varT = 0;
		varD = 50;
		varB = posAtual
		//document.getElementById('ver2').innerHTML = varT +" , "+ varB +" , "+ varC +" , "+ varD;
		intervalo = window.setInterval(
			function() { 
				elem.scrollTop = easeOutExpo(varT, varB, varC, varD);
				//document.getElementById('ver').innerHTML =  elem.scrollTop;
				varT++;
				if (varT > varD){
					window.clearInterval(intervalo);
				}
			} 
		,10)	
	}
}

easeInExpo = function(t, b, c, d){
	return c * Math.pow( 2, 10 * (t/d - 1) ) + b;
}
easeOutExpo = function(t, b, c, d){
	return c * ( -Math.pow( 2, -10 * t/d ) + 1 ) + b;
}