add: sidebar.loading_iframe = null; 
context: function panel_loader() {  debug("---------- panel_loader");  dump_tree(this);  this.removeEventListener("load", panel_loader, true);  this.removeAttribute('collapsed');  this.parentNode.firstChild.setAttribute('hidden','true');}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/416399ad456584bec8baed927cb82a977d852203/sidebarOverlay.js/buggy/suite/common/sidebar/sidebarOverlay.js