if (document.images) {
    buildingon  = new Image();buildingon.src  = 'images/nav/building_o.gif'; buildingoff  = new Image();buildingoff.src  = 'images/nav/building.gif';
	concertson  = new Image();concertson.src  = 'images/nav/concerts_o.gif'; concertsoff  = new Image();concertsoff.src  = 'images/nav/concerts.gif';
	spaceson  = new Image();spaceson.src  = 'images/nav/spaces_o.gif'; spacesoff  = new Image();spacesoff.src  = 'images/nav/spaces.gif';
    servingon  = new Image();servingon.src  = 'images/nav/serving_o.gif'; servingoff  = new Image();servingoff.src  = 'images/nav/serving.gif';
		teepon  = new Image();teepon.src  = 'images/nav/teep_o.gif'; teepoff  = new Image();teepoff.src  = 'images/nav/teep.gif';
	tbccon  = new Image();tbccon.src  = 'images/nav/tbcc_o.gif'; tbccoff  = new Image();tbccoff.src  = 'images/nav/tbcc.gif';
    abouton  = new Image();abouton.src  = 'images/nav/about_o.gif'; aboutoff  = new Image();aboutoff.src  = 'images/nav/about.gif';
	joinon  = new Image();joinon.src = 'images/nav/join_o.gif'; joinoff  = new Image();joinoff.src  = 'images/nav/join.gif';
	boardon  = new Image();boardon.src  = 'about/images/board_o.gif'; boardoff  = new Image();boardoff.src  = 'about/images/board.gif';
staffon  = new Image();staffon.src  = 'about/images/staff_o.gif'; staffoff  = new Image();staffoff.src  = 'about/images/staff.gif';
newson  = new Image();newson.src  = 'about/images/news_o.gif'; newsoff  = new Image();newsoff.src  = 'about/images/news.gif';
partnerson  = new Image();partnerson.src  = 'about/images/partners_o.gif'; partnersoff  = new Image();partnersoff.src  = 'about/images/partners.gif';
contacton  = new Image();contacton.src  = 'about/images/contact_o.gif'; contactoff  = new Image();contactoff.src  = 'about/images/contact.gif';
}

function swapOn(name) {
    if (document.images)
        document.images[name].src = eval(name + 'on.src');
}

function swapOff(name) {
    if (document.images)
        document.images[name].src = eval(name + 'off.src');
}