if (document.images) {
	
	homeon = new Image(); 
	homeon.src = "http://www.hendersontrifest.org/images/navigation/home_on.gif";

	homeoff = new Image();
	homeoff.src = "http://www.hendersontrifest.org/images/navigation/home_off.gif";
	
	historyon = new Image(); 
	historyon.src = "http://www.hendersontrifest.org/images/navigation/history_on.gif";

	historyoff = new Image();
	historyoff.src = "http://www.hendersontrifest.org/images/navigation/history_off.gif";
	
	eventson = new Image(); 
	eventson.src = "http://www.hendersontrifest.org/images/navigation/events_on.gif";

	eventsoff = new Image();
	eventsoff.src = "http://www.hendersontrifest.org/images/navigation/events_off.gif";
	
	fundingon = new Image(); 
	fundingon.src = "http://www.hendersontrifest.org/images/navigation/funding_on.gif";

	fundingoff = new Image();
	fundingoff.src = "http://www.hendersontrifest.org/images/navigation/funding_off.gif";
	
	}

	function turnOn(imageName) {
		if (document.images) {
		document[imageName].src = eval(imageName + "on.src");
	}
	}

	function turnOff(imageName) {
		if (document.images) {
		  document[imageName].src = eval(imageName + "off.src");

	}
	}
	
function bookmark(url, sitename)
{
  ns="Netscape and FireFox users, use CTRL+D to bookmark this site."
  if ((navigator.appName=='Microsoft Internet Explorer') &&
    (parseInt(navigator.appVersion)>=4))
  {
    window.external.AddFavorite(url, sitename);
  }
  else if (navigator.appName=='Netscape')
  {
    alert(ns);
  }
}