if(!doc.location) { return; } 
    that.refreshDocument = function(doc) {        // @todo [high] Confirm that we find textareas inside iframes and frames.        var is_chrome = (doc.location.protocol == 'chrome:');        var nodes = doc.getElementsByTagName('textarea');        var i;        for(i=0; i < nodes.length; i++) {            that.refreshTextarea(nodes[i], is_chrome);        }        nodes = doc.getElementsByTagName('textbox');        for(i=0; i < nodes.length; i++) {            that.refreshTextarea(nodes[i], is_chrome);        }    };
4463	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4463/ee7477d4cb21f1061eb10904065473a793bceb3d/itsalltext.js/buggy/chrome/content/itsalltext.js