// JavaScript Document
function GeneraAjax() {
    var xmlhttp;
    /*@cc_on
    @if (@_jscript_version >= 5)
       try {
          xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
       } catch (e) {
          try {
             xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
          } catch (E) { xmlhttp = false; }
       }
    @else
    xmlhttp = false;
    @end @*/
    if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
       try {
          xmlhttp = new XMLHttpRequest();
       } catch (e) { xmlhttp = false; }
    }
    return xmlhttp;
}