// JavaScript Document
var xmlhttp;
function initXMLHttpClient() {
      
      try {
          // Mozilla / Safari / IE7
          xmlhttp = new XMLHttpRequest();
      } catch (e) {
           // IE
           var XMLHTTP_IDS = new Array('MSXML2.XMLHTTP.5.0',
                                     'MSXML2.XMLHTTP.4.0',
                                     'MSXML2.XMLHTTP.3.0',
                                     'MSXML2.XMLHTTP',
                                     'Microsoft.XMLHTTP' );
          var success = false;
          for (var i=0;i < XMLHTTP_IDS.length && !success; i++) {
              try {
                   xmlhttp = new ActiveXObject(XMLHTTP_IDS[i]);
                      success = true;
                } catch (e) {}
          }
          if (!success) {
              //throw new Error('Unable to create XMLHttpRequest.');
          }
     }
     //return xmlhttp;
 }
 
 function initXMLHttpClient2(obj) {
      
      try {
          // Mozilla / Safari / IE7
          obj = new XMLHttpRequest();
      } catch (e) {
           // IE
           var XMLHTTP_IDS = new Array('MSXML2.XMLHTTP.5.0',
                                     'MSXML2.XMLHTTP.4.0',
                                     'MSXML2.XMLHTTP.3.0',
                                     'MSXML2.XMLHTTP',
                                     'Microsoft.XMLHTTP' );
          var success = false;
          for (var i=0;i < XMLHTTP_IDS.length && !success; i++) {
              try {
                   obj = new ActiveXObject(XMLHTTP_IDS[i]);
                      success = true;
                } catch (e) {}
          }
          if (!success) {
              throw new Error('Unable to create XMLHttpRequest.');
          }
     }
     return obj;
 }