//<script> 
function datos(sUrl,destino,form){

    var content = document.getElementById(destino)
    var retorno = {
          success : function(o) {
                     content.innerHTML = o.responseText;
                     content.style.visibility = "visible";
                   },
       failure : function(o) {
                    content.innerHTML = o.responseText;
                     content.style.visibility = "visible";
                     content.innerHTML = 'Error en Respuesta Base de Datos';
                    }
        }
    if(form!=""){
       var formObject=document.getElementById(form);
       YAHOO.util.Connect.setForm(formObject);
    }
    var respuesta = YAHOO.util.Connect.asyncRequest('GET', sUrl, retorno);
    document.getElementById(destino).style.visibility="visible";
}
//</script>