function nuevoAjax(){
        var xmlhttp=false;
        try {
                xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
                try {
                        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (E) {
                        xmlhttp = false;
                }
        }

        if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
                xmlhttp = new XMLHttpRequest();
        }
        return xmlhttp;
}

function vota(a,b){
  contenedor = document.getElementById('me');
  ajax=nuevoAjax();
  ajax.open("POST", "../wp-content/themes/cutline-3-column-split-11/aj_vota.php",true);
  ajax.onreadystatechange=function() {
          if (ajax.readyState==4) {
            contenedor.innerHTML = ajax.responseText          	
          }
  }
  ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
  ajax.send("a="+a+"&b="+b)
}