rem: pb.displayError('An HTTP error '+ xmlhttp.status +' occured.\n'+ pb.uri); 
add: pb.displayError(Drupal.t("An HTTP error @status occured. \n@uri", { '@status': xmlhttp.status, '@uri': pb.uri })); 
context: Drupal.progressBar.prototype.sendPing = function () {  if (this.timer) {    clearTimeout(this.timer);  }  if (this.uri) {    var pb = this;    // When doing a post request, you need non-null data. Otherwise a    // HTTP 411 or HTTP 406 (with Apache mod_security) error may result.    $.ajax({      type: this.method,      url: this.uri,      data: '',      success: function (data) {        // Parse response        var progress = Drupal.parseJson(data);        // Display errors        if (progress.status == 0) {          pb.displayError(progress.data);          return;        }        // Update display        pb.setProgress(progress.percentage, progress.message);        // Schedule next timer        pb.timer = setTimeout(function() { pb.sendPing(); }, pb.delay);      },      error: function (xmlhttp) {        pb.displayError('An HTTP error '+ xmlhttp.status +' occured.\n'+ pb.uri);      }    });  }};
meta: 1288	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1288/57c9a13e1f0ed4e8492467bda817b3385be33225/progress.js/buggy/misc/progress.js