var images_on = new Array();
	images_on['history'] = new Image();
	images_on['history'].src = 'images/header/sections/history_on.gif';
	images_on['about'] = new Image();
	images_on['about'].src = 'images/header/sections/about_on.gif';
	images_on['employment'] = new Image();
	images_on['employment'].src = 'images/header/sections/employment_on.gif';
	images_on['policies'] = new Image();
	images_on['policies'].src = 'images/header/sections/policies_on.gif';
	images_on['directions'] = new Image();
	images_on['directions'].src = 'images/header/sections/directions_on.gif';
	images_on['media'] = new Image();
	images_on['media'].src = 'images/header/sections/media_on.gif';
	images_on['contact'] = new Image();
	images_on['contact'].src = 'images/header/sections/contact_on.gif';
	images_on['vendors'] = new Image();
	images_on['vendors'].src = 'images/header/sections/vendors_on.gif';

var images_off = new Array();
	images_off['history'] = new Image();
	images_off['history'].src = 'images/header/sections/history_off.gif';
	images_off['about'] = new Image();
	images_off['about'].src = 'images/header/sections/about_off.gif';
	images_off['employment'] = new Image();
	images_off['employment'].src = 'images/header/sections/employment_off.gif';
	images_off['policies'] = new Image();
	images_off['policies'].src = 'images/header/sections/policies_off.gif';
	images_off['directions'] = new Image();
	images_off['directions'].src = 'images/header/sections/directions_off.gif';
	images_off['media'] = new Image();
	images_off['media'].src = 'images/header/sections/media_off.gif';
	images_off['contact'] = new Image();
	images_off['contact'].src = 'images/header/sections/contact_off.gif';
	images_off['vendors'] = new Image();
	images_off['vendors'].src = 'images/header/sections/vendors_off.gif';

function swapImage(section){
	var alpha = document.images[section];
	if(alpha.src.indexOf('off') != -1){ alpha.src = images_on[section].src; } else { alpha.src = images_off[section].src; }
}