--- jquery-1.4.1.js~	2010-01-26 00:44:42.000000000 +0000
+++ jquery-1.4.1.js	2010-02-04 17:50:48.000000000 +0000
@@ -4951,36 +4951,6 @@
 			xhr.open(type, s.url, s.async);
 		}
 
-		// Need an extra try/catch for cross domain requests in Firefox 3
-		try {
-			// Set the correct header, if data is being sent
-			if ( s.data || origSettings && origSettings.contentType ) {
-				xhr.setRequestHeader("Content-Type", s.contentType);
-			}
-
-			// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
-			if ( s.ifModified ) {
-				if ( jQuery.lastModified[s.url] ) {
-					xhr.setRequestHeader("If-Modified-Since", jQuery.lastModified[s.url]);
-				}
-
-				if ( jQuery.etag[s.url] ) {
-					xhr.setRequestHeader("If-None-Match", jQuery.etag[s.url]);
-				}
-			}
-
-			// Set header so the called script knows that it's an XMLHttpRequest
-			// Only send the header if it's not a remote XHR
-			if ( !remote ) {
-				xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
-			}
-
-			// Set the Accepts header for the server, depending on the dataType
-			xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
-				s.accepts[ s.dataType ] + ", */*" :
-				s.accepts._default );
-		} catch(e) {}
-
 		// Allow custom headers/mimetypes and early abort
 		if ( s.beforeSend && s.beforeSend.call(callbackContext, xhr, s) === false ) {
 			// Handle the global AJAX counter