rem: if (!this._bpcount) 
add: if (!("_bpcount" in this)) 
context: function sr_getbpcount (){    if (!this._bpcount)        return 0;    return this._bpcount;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e157005cdf5676003e826bc016dc3bbaaef91c67/venkman-trees.js/buggy/extensions/venkman/resources/content/venkman-trees.js