function obtenerXHR(){var req=false;if(window.XMLHttpRequest){req=new XMLHttpRequest();}else{if(ActiveXObject){var vectorVersiones=["MSXML2.XMLHttp.5.0","MSXML2.XMLHttp.4.0","MSXML2.XMLHttp.3.0","MSXML2.XMLHttp","Microsoft.XMLHttp"];for(var i=0;i<vectorVersiones.length;i++){try{req=new ActiveXObject(vectorVersiones[i]);return req;} catch (e){}}}}return req;}var peticion;var xcap;function eP(cual,xc){xcap=xc;xInnerHtml(xcap, '<div style="width:32px; margin-left:auto; margin-right:auto"><img src="imgs/loading.gif" alt="Cargando..." /></div>');peticion = obtenerXHR();peticion.open("POST",cual,true);peticion.onreadystatechange = procesarPeticion;peticion.setRequestHeader('Accept','message/x-formresult');peticion.setRequestHeader("Content-Type","application/x-www-form-urlencoded");var parametros=null;peticion.send(parametros);}function procesarPeticion(){if(peticion.readyState==4){xInnerHtml(xcap, '<div style="width:32px; margin-left:auto; margin-right:auto"><img src="imgs/loading.gif" alt="Cargando..." /></div>');if(peticion.status==200){xInnerHtml(xcap, peticion.responseText);}}}