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/2006/9421/2ea94ae19092f98aab6432aa50dea1474f179393/sidebarOverlay.js/buggy/xpfe/components/sidebar/resources/sidebarOverlay.js