function ahah(url, target) {
  parent.document.getElementById(target).innerHTML = '<div class="a-carregar">A carregar...</div>';
  if (window.XMLHttpRequest) {
    req = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    req = new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (req != undefined) {
    req.onreadystatechange = function() {ahahDone(url, target);};
    req.open("GET", url, true);
    req.send("");
  }
}  

function ahahDone(url, target) {
  if (req.readyState == 4) { // only if req is "loaded"
    if (req.status == 200) { // only if "OK"
      parent.document.getElementById(target).innerHTML = req.responseText;
    } else {
      parent.document.getElementById(target).innerHTML=" Erro:\n"+ req.status + "\n" +req.statusText;
    }
  }
}

function abrir(name, div) {
	ahah(name,div);
	return false;
}