function objetoAjax4(){
        var xmlhttp4=false;
        try {
                xmlhttp4 = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
                try {
                   xmlhttp4 = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (E) {
                        xmlhttp4 = false;
                }
        }

        if (!xmlhttp4 && typeof XMLHttpRequest!='undefined') {
                xmlhttp4 = new XMLHttpRequest();
        }
        return xmlhttp4;
}

function MostrarConsulta4(){
        divResultado = document.getElementById('bannern');
        ajax4=objetoAjax4();
        ajax4.open("GET", "proceso_banners.php");
        ajax4.onreadystatechange=function() {
                if (ajax4.readyState==4) {
                        divResultado.innerHTML = ajax4.responseText
                }
        }
		//tiempo. 1000 = 1 segundo
		setTimeout('MostrarConsulta4();',30000);
        ajax4.send(null)
}

function addLoadEvent(func) { 
  var oldonload = window.onload; 
  if (typeof window.onload != 'function') { 
    window.onload = func; 
  } else { 
    window.onload = function() { 
      if (oldonload) { 
        oldonload(); 
      } 
      func(); 
    } 
  } 
} 
	 
addLoadEvent(MostrarConsulta4);