1112:   return Try.these(
            function() {return new XMLHttpRequest()},
            function() {return new ActiveXObject('Msxml2.XMLHTTP')},

  1241:   var headers = {
            'X-Requested-With': 'XMLHttpRequest',
            'X-Prototype-Version': Prototype.Version,

  1605: // If IE is used, create a wrapper for the XMLHttpRequest object
        if ( !window.XMLHttpRequest )
                XMLHttpRequest = function(){
                        return new ActiveXObject("Microsoft.XMLHTTP");

  1719:   // Set header so the called script knows that it's an XMLHttpRequest
          xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");

    27: ... ne=false;var xhr=window.ActiveXObject?new ActiveXObject("Microsoft.XMLHTTP"):new XMLHttpRequest();if(s.username)xhr.open(type,s.url,s.async,s. ...

    28: ... .url]||"Thu, 01 Jan 1970 00:00:00 GMT");xhr.setRequestHeader("X-Requested-With","XMLHttpRequest");xhr.setRequestHeader("Accept",s.dataType&&s. ...

  3259:   // Create the request object; Microsoft failed to properly
          // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
          // This function can be overriden by calling jQuery.ajaxSetup

  3408:                         // Set header so the called script knows that it's an XMLHttpRequest
                                xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
        

    19: ... xhr:function(){return l.ActiveXObject?new ActiveXObject("Microsoft.XMLHTTP"):new XMLHttpRequest()},accepts:{xml:"application/xml, text/xml",ht ...

   112:   case 'XmlHttp' :
                  return new XMLHttpRequest() ;
          case 'DOMDocument' :

    28:         // Gecko / IE7
                if ( typeof(XMLHttpRequest) != 'undefined' )
                        return new XMLHttpRequest() ;
        

   626:   return Try.these(
            function() {return new XMLHttpRequest()},
            function() {return new ActiveXObject('Msxml2.XMLHTTP')},

   748:   var requestHeaders =
            ['X-Requested-With', 'XMLHttpRequest',
             'X-Prototype-Version', Prototype.Version,

   115:                 x = window.ActiveXObject ? g('Msxml2.XMLHTTP') || g('Microsoft.XMLHTTP') : new XMLHttpRequest();
        

    36:         // Gecko / IE7
                if ( typeof(XMLHttpRequest) != 'undefined' )
                        return new XMLHttpRequest() ;