<!-- 
	if (document.images)	{
	
	var about_on=new Image();
	about_on.src="images/nav_about_on.gif";
	var about_off=new Image();
	about_off.src="images/nav_about.gif";
	
	var board_on=new Image();
	board_on.src="images/nav_board_on.gif";
	var board_off=new Image();
	board_off.src="images/nav_board.gif";
	
	var profiles_on=new Image();
	profiles_on.src="images/nav_profiles_on.gif";
	var profiles_off=new Image();
	profiles_off.src="images/nav_profiles.gif";
	
	var careers_on=new Image();
	careers_on.src="images/nav_careers_on.gif";
	var careers_off=new Image();
	careers_off.src="images/nav_careers.gif";
	
	var events_on=new Image();
	events_on.src="images/nav_events_on.gif";
	var events_off=new Image();
	events_off.src="images/nav_events.gif";
	
	var links_on=new Image();
	links_on.src="images/nav_links_on.gif";
	var links_off=new Image();
	links_off.src="images/nav_links.gif";
		
	var join_on=new Image();
	join_on.src="images/nav_join_on.gif";
	var join_off=new Image();
	join_off.src="images/nav_join.gif";
		
	var contact_on=new Image();
	contact_on.src="images/nav_contact_on.gif";
	var contact_off=new Image();
	contact_off.src="images/nav_contact.gif";
	
	}

	function rollon (imgName)	{
		if (document.images)	{
			document.images[imgName].src = "images/nav_" + imgName + "_on.gif";
		}
	}
	
	function rolloff (imgName)	{
		if (document.images)	{
			document.images[imgName].src = "images/nav_" + imgName + ".gif";
		}
	}
	//-->