function abrir(URL) {
var width = 540;
var height = 350;
var left = 20;
var top = 20;
window.open(URL,'quadro', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=yes, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');
}

function abrir2(URL) {
var width = 540;
var height = 350;
var left = 20;
var top = 20;
window.open(URL,'quadro2', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=yes, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');
}

function goToURL() {
window.location = "ensmedio/ensmediohome.htm";
}

function goToURL2() {
window.location = "info.htm";
}

function goToURL3() {
window.location = "javascript:abrir('ensmedio/quadroh.htm')";
}

function goToURL4() {
window.location = "info.htm#Theresiano";
}

function liberar() {
document.getElementById('btn').disabled = 0;
document.getElementById('btn').style.cursor = "hand";
document.getElementById('btn').value = "Clique aqui para entrar...";
document.getElementById('btn2').disabled = 0;
document.getElementById('btn2').style.cursor = "hand";
document.getElementById('btn3').disabled = 0;
document.getElementById('btn3').style.cursor = "hand";
document.getElementById('btn4').disabled = 0;
document.getElementById('btn4').style.cursor = "hand";
}