if (document.images) {
  	recentOn = new Image();
  	recentOn.src = "../images/navs/local/clb/recent_on.gif";
  	archiveOn = new Image();
  	archiveOn.src = "../images/navs/local/clb/archive_on.gif";
  	recentOff = new Image();
  	recentOff.src = "../images/navs/local/clb/recent.gif";
  	archiveOff = new Image();
  	archiveOff.src = "../images/navs/local/clb/archive.gif";
}