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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/b0d4b27dd4c88e26db8b55643459ff6843ff4b25/sidebarOverlay.js/clean/xpfe/components/sidebar/resources/sidebarOverlay.js