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- function ObjAJAX(){
- var obj;
- if (window.XMLHttpRequest)
- obj = new XMLHttpRequest();
- else if (window.ActiveXObject){
- try{
- obj = new ActiveXObject("Msxml2.XMLHTTP");
- }
- catch(e){
- try{
- obj = new ActiveXObject("Microsoft.XMLHTTP");
- }catch(e){
- alert("Error al generar objeto XMLHttpRequest");
- }
- }
- }
- return obj;
- }
- function getEgr(){
- oxml = ObjAJAX();
- oxml.open('GET', 'Egresos?accion=leer&fin=getEgreso&egr='+this.value, true);
- oxml.onreadystatechange = function(){
- if(oxml.readyState == 4){
- var xml = oxml.responseXML;
- document.getElementById("fecha").value = xml.getElementsByTagName("fecha").item(0).getAttribute("dato");
- }else{
- /*mientras espero respuesta, por ejemplo, puedo poner un gif de carga*/
- <img src="cargando.gif" />
- }
- }
- }
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