function switchCSS() {
if (window.screen.availWidth < 1024) {
var myLink = document.getElementsByTagName('link')[0];
if (myLink) myLink.setAttribute('href', '../CSS/Css800.css', 0);
}
else if(window.screen.availWidth > 1024){
var myLink = document.getElementsByTagName('link')[0];
if (myLink) myLink.setAttribute('href', '../CSS/Css1280.css', 0);
}
}
function trocaCSS(componenteId, nomeClasse) {
    document.getElementById(componenteId).className = nomeClasse;
}
function mostraAjuda() {	
        document.getElementById("divGeral2").className = "divAjuda2";  		
		document.getElementById("divGeral2").style.visibility = "visible";	
}
function naomostra()
{
        document.getElementById("divGeral2").className = "divAjuda";  		
		document.getElementById("divGeral2").style.visibility = "hidden";	
}