// JavaScript Document
	
window.onload = function(){	
var largura = screen.width;
var altura = (screen.height / 2) + 100;
var nav = navigator.appName;
var x = 0;

	if (largura <= 800){
		x = 768;
		document.getElementById('super').className = 'superb';
		document.getElementById('c').style.display = 'none';
		document.getElementById('base').className = 'baseb';
	} else if(largura == 1024){
		x = 768;
		document.getElementById('super').className = 'superb';
		document.getElementById('c').style.display = 'none';
		document.getElementById('base').className = 'baseb';
	} else if(largura > 1024){
		x = 1024;
	}

	document.getElementById('topo').style.width = 100 + "%";
	document.getElementById('topoa').style.width = parseInt(x) + "px";
	document.getElementById('topob').style.width = parseInt(x) + "px";
	document.getElementById('corpo').style.width = parseInt(x) + "px";
}