if (document.images) {	

	cmu_off = new Image(); 						cmu_off.src="images/wordmark/cmu1.gif";
	cfa_off = new Image(); 						cfa_off.src="images/wordmark/cfa1.gif";
	steinway_off = new Image(); 				steinway_off.src="images/wordmark/steinway1.gif";
	
}