rem: return Components.lookupMethod(obj, propname).call(obj); 
add: return obj[propname]; 
context:   var safeGetProperty = function(obj, propname) {    return Components.lookupMethod(obj, propname).call(obj);  }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/928334d5149e0c90e70bbe1c1fa7994456b23921/browser.js/buggy/browser/base/content/browser.js