// JavaScript Document
function objetoAjax(){
 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 myEvisos(capa){
        var url = document.location.host
        divResultado = document.getElementById(capa);
        ajax=objetoAjax();
        ajax.open("GET", "http://"+url+"/js/myevisos.php");
        ajax.onreadystatechange=function() {
                if (ajax.readyState==4) {
                        divResultado.innerHTML = ajax.responseText
                }
        }
        ajax.send(null)
}