add: if (currentFrame.isNative) return;  
context: function con_fchanged (currentFrame, currentFrameIndex){    var stack = console.stackView.stack;        if (currentFrame)    {        var frameRecord = stack.childData[currentFrameIndex];        var vr = frameRecord.calculateVisualRow();        console.stackView.selectedIndex = vr;        console.stackView.scrollTo (vr, 0);        var containerRec = console.scripts[currentFrame.script.fileName];        if (containerRec)        {            dispatch ("find-url-soft", {url: containerRec.fileName,                      rangeStart: currentFrame.script.baseLineNumber,                      rangeEnd: currentFrame.script.baseLineNumber +                                 currentFrame.script.lineExtent - 1,                      lineNumber: currentFrame.line});        }        else        {            dd ("frame from unknown source");        }    }    else    {        stack.close();        stack.childData = new Array();        stack.hide();    }}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/0b00c41a3e25a061b8ee75b2ca92b4f133917ad7/venkman-handlers.js/buggy/extensions/venkman/resources/content/venkman-handlers.js