function addBookmark(title,url) {
if (window.sidebar)
  {
    window.sidebar.addPanel(title, url,"");
  }
 
else if( document.all )
  {
    window.external.AddFavorite( url, title);
  }
  else
  {
  	alert('Hit Ctrl+D to book mark this page.');
    return true;
  }
}

function show_box(class_name) {
	var tabbox = document.getElementById('tabbox');
	tabbox.className = class_name;
}