    startStepping: function()    {        if (!stepMode && !runningUntil)            return;        hookFrameCount = stepFrameCount;     	if (fbs.DBG_STEP) ddd("startStepping stepMode = "+getPropertyName(nsIFireBug, stepMode)                        /*@explore*/			     +" hookFrameCount="+hookFrameCount+" stepFrameCount="+stepFrameCount+"\n");                           /*@explore*/        this.hookFunctions();                if (stepMode == STEP_OVER || stepMode == STEP_INTO)            this.hookInterrupts();    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/be05bb1b5ce9dc07f6f4f994ca42945edd646c04/firebug-service.js/buggy/extension/components/firebug-service.js