// JavaScript Document

function abre(){	
$.aulasonline.open('cadastre.html?iframe=true&width=890&height=256');	
}
function closeBox() {
$.aulasonline.close();
}

function getCookie(nome){    
    if(document.cookie.length > 0){
      c_start = document.cookie.indexOf(nome + "=");
      if(c_start != -1){ 
        c_start = c_start + nome.length + 1; 
        c_end = document.cookie.indexOf(";", c_start);
        if(c_end == -1)
          c_end = document.cookie.length;
        return unescape(document.cookie.substring(c_start, c_end));
      } 
    }
    return null;
  }

function verificaCookie(cadastrado){
  var nome_visitante = getCookie('cadastrado');
  if(nome_visitante == null)
    abre();
  else
	closeBox();
}