if (document.images) {
	btn050a					= new Image(); btn050a.src					= "images/olympic_rev.gif";
	btn050b					= new Image(); btn050b.src					= "images/olympic_obv.gif";
	btn051a					= new Image(); btn051a.src					= "images/smithsonian_rev.gif";
	btn051b					= new Image(); btn051b.src					= "images/smithsonian_obv.gif";
	btn052a					= new Image(); btn052a.src					= "images/dollyMadison_rev.gif";
	btn052b					= new Image(); btn052b.src					= "images/dollyMadison_obv.gif";
	btn053a					= new Image(); btn053a.src					= "images/barber_rev.gif";
	btn053b					= new Image(); btn053b.src					= "images/barber_obv.gif";
	btn054a					= new Image(); btn054a.src					= "images/goldenDollar_rev.gif";
	btn054b					= new Image(); btn054b.src					= "images/goldenDollar_obv.gif";
}