Firebug.Debugger.runUntil(this.context, sourceFile.href, lineNo); 
Firebug.Debugger.runUntil(this.context, sourceFile, lineNo, Firebug.Debugger); 
    onMouseDown: function(event)    {        var sourceLine = getAncestorByClass(event.target, "sourceLine");        if (!sourceLine)            return;        var sourceRow = sourceLine.parentNode;        var sourceFile = sourceRow.parentNode.repObject;        var lineNo = parseInt(sourceLine.textContent);        if (isLeftClick(event))            this.toggleBreakpoint(lineNo);        else if (isShiftClick(event))            this.toggleDisableBreakpoint(lineNo);        else if (isControlClick(event) || isMiddleClick(event))        {            Firebug.Debugger.runUntil(this.context, sourceFile.href, lineNo);            cancelEvent(event);        }    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/76449ef4d8385610e64112c53410246cfda12c62/debugger.js/clean/extension/content/firebug/debugger.js