add: document.commandDispatcher.advanceFocusIntoSubtree(theButton); 
context: function showPanel(panelId) {  //hide other sidebar panels and show the panel name taken in from panelID.  helpSearchPanel.setAttribute("hidden", "true");  helpTocPanel.setAttribute("hidden", "true");  helpIndexPanel.setAttribute("hidden", "true");  helpGlossaryPanel.setAttribute("hidden", "true");  var thePanel = document.getElementById(panelId + "-panel");  thePanel.setAttribute("hidden","false");  //remove the selected style from the previous panel selected.  document.getElementById("help-glossary-btn").removeAttribute("selected");  document.getElementById("help-index-btn").removeAttribute("selected");  document.getElementById("help-search-btn").removeAttribute("selected");  document.getElementById("help-toc-btn").removeAttribute("selected");  //add the selected style to the correct panel.  var theButton = document.getElementById(panelId + "-btn");  theButton.setAttribute("selected", "true");}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e877c267f4ca2e54c05bb6b6328ad735e98d9c17/help.js/clean/extensions/help/resources/content/help.js