add: this.mStatusText.value = "loading..."; 
context:   onStateChange : function(aWebProgress, aRequest, aStateFlags, aStatus)    {      if (aStateFlags & nsIWebProgressListener.STATE_START) {        this.setButtonEnabled(this.mStopButton, true);        this.setButtonEnabled(this.mForwardButton, gBrowser.canGoForward);        this.setButtonEnabled(this.mBackButton, gBrowser.canGoBack);                this.mLoading = true;      } else if (aStateFlags & nsIWebProgressListener.STATE_STOP) {        this.setButtonEnabled(this.mStopButton, false);        this.mStatusText.value = "";        if (gRTestURLList && this.mLoading) {          // Let other things happen in the first 20ms, since this          // doesn't really seem to be when the page is done loading.          setTimeout("gRTestURLList.doneURL()", 20);        }        this.mLoading = false;      }    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d0fd77e4dddb95cb457449a9a0f1e920bf84d949/layoutdebug.js/clean/extensions/layout-debug/ui/content/layoutdebug.js