var imgs = [
	['images/menu_02.gif', 'images/menu_02_.gif', 'home'],
	['images/menu_03.gif', 'images/menu_03_.gif', 'volunteer'],
	['images/menu_04.gif', 'images/menu_04_.gif', 'media_kit'],
	['images/menu_05.gif', 'images/menu_05_.gif', 'map'],
	['images/menu_06.gif', 'images/menu_06_.gif', 'expect'],
	['images/menu_07.gif', 'images/menu_07_.gif', 'event_schedule'],
	['images/menu_08.gif', 'images/menu_08_.gif', 'vision'],
	['images/menu_09.gif', 'images/menu_09_.gif', 'testimonials'],
	['images/menu_10.gif', 'images/menu_10_.gif', 'affiliated'],
	['images/menu_11.gif', 'images/menu_11_.gif', 'event_sponsors'],
	['images/menu_12.gif', 'images/menu_12_.gif', 'join_mailing_list'],
	['images/m_guestbook.gif', 'images/m_guestbook_.gif', 'Guestbook'],	
	['images/donations.gif', 'images/donations_.gif', 'donations'],	
	['images/menu_13.gif', 'images/menu_13_.gif', 'contact_us'],
	['images/start.gif', 'images/start_.gif', 'start']
] ;

for (var i = 0 ; i < imgs.length ; i++) {
	var obj = new Image () ;
		obj.src = imgs [i][1] ;
}

function chgImg (_num, _state) {
	eval ("document.images." + imgs [_num][2] + ".src = '" + imgs [_num][_state] + "'") ;
}