rem: dump_tree(content); 
context: function get_iframe(content) {  debug("---------- get_iframe");  dump_tree(content);  var unsandboxed_iframe = content.childNodes.item(1);  var sandboxed_iframe = content.childNodes.item(2);  if (unsandboxed_iframe.getAttribute('src').match(/^chrome:/)) {    return unsandboxed_iframe;  } else {    return sandboxed_iframe;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/6d8d83b44c46170aad8606a55a3960be810e9e2c/sidebarOverlay.js/buggy/suite/common/sidebar/sidebarOverlay.js