    onMutateNode: function(event)    {        var target = event.target;        if (target.firebugIgnore)            return;            var parent = event.relatedNode;        var removal = event.type == "DOMNodeRemoved";        var nextSibling = removal ? null : findNextSibling(target);                this.context.delay(function()        {            try             {                 this.mutateNode(target, parent, nextSibling, removal);            }            catch (exc)            {                FBTrace.dumpProperties("html.onMutateNode FAILS:", exc);            }        }, this);    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/e1d42ad3fad63b72826a4e2ed0726866484c9ac3/html.js/clean/extension/content/firebug/html.js