// JavaScript Document

var tempo;
var pos = 2;
var intervalo = 20;
function para(){
	window.clearTimeout(tempo);
}

function sobe(){
	sdivText = document.getElementById("divText");
	sdivCont = document.getElementById("divCont");
	if( parseInt(sdivText.style.top) > -1*parseInt(sdivText.offsetHeight) + parseInt(sdivCont.offsetHeight)-10){	
		sdivText.style.top = parseInt(sdivText.style.top) - pos;
		tempo = window.setTimeout('sobe()',intervalo);
	}else{
		para();
	}
}

function desce(){
	sdivText = document.getElementById("divText");
	sdivCont = document.getElementById("divCont");
	if( parseInt(sdivText.style.top) < 0){
		sdivText.style.top = parseInt(sdivText.style.top) + pos;
		tempo = window.setTimeout('desce()',intervalo);
	}else{
		para();
	}

}