    startMeasuring: function(target)    {        if (!this.measureBox)        {            this.measureBox = target.ownerDocument.createElement("span");            this.measureBox.className = "measureBox";        }                copyTextStyles(target, this.measureBox);        target.ownerDocument.body.appendChild(this.measureBox);    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/e1d42ad3fad63b72826a4e2ed0726866484c9ac3/editor.js/clean/extension/content/firebug/editor.js