var a = new Image(); a.src = 'graphics/fish.png';
var b = new Image(); b.src = 'graphics/spacer.jpg';
var c = new Image(); c.src = 'graphics/spacer.jpg';
var c = new Image(); d.src = 'graphics/volunteer.jpg';
var c = new Image(); e.src = 'graphics/volunteer_.jpg';
var c = new Image(); f.src = 'graphics/donate.jpg';
var c = new Image(); g.src = 'graphics/donate_.jpg';
var c = new Image(); h.src = 'graphics/upcoming-events.jpg';
var c = new Image(); i.src = 'graphics/upcoming-events_.jpg';
var c = new Image(); j.src = 'graphics/help.jpg';
var c = new Image(); k.src = 'graphics/help_.jpg';