    onMouseOver: function(event)    {        var layoutBox = getAncestorByClass(event.target, "layoutBox");        var boxFrame = layoutBox ? getBoxFrame(layoutBox) : null;                if (this.highlightedBox)            removeClass(this.highlightedBox, "highlighted");        this.highlightedBox = layoutBox;                if (layoutBox)            setClass(layoutBox, "highlighted");        Firebug.Inspector.highlightObject(this.selection, this.context, "boxModel", boxFrame);    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/e1d42ad3fad63b72826a4e2ed0726866484c9ac3/layout.js/buggy/extension/content/firebug/layout.js