if (document.images) {
		button1songs2 = new Image
		button1songs = new Image
		button2operas2 = new Image
		button2operas = new Image
		button3chamber2 = new Image
		button3chamber = new Image
		button4instrument2 = new Image
		button4instrument= new Image
		button5choral2 = new Image
		button5choral = new Image
		button6anthem2 = new Image
		button6anthem = new Image
		
		button1songs2.src = "images/nav/songs2.jpg"
		button1songs.src = "images/nav/songs.jpg"
		button2operas2.src = "images/nav/operas2.jpg"
		button2operas.src = "images/nav/operas.jpg"
		button3chamber2.src = "images/nav/chamber2.jpg"
		button3chamber.src = "images/nav/chamber.jpg"
		button4instrument2.src = "images/nav/instrument2.jpg"
		button4instrument.src = "images/nav/instrument.jpg"
		button5choral2.src = "images/nav/choral2.jpg"
		button5choral.src = "images/nav/choral.jpg"
		button6anthem2.src = "images/nav/anthem2.jpg"
		button6anthem.src = "images/nav/anthem.jpg"
		
	}
	else {
		button1songs2 = ""
		button1songs = ""
		button2operas2 = ""
		button2operas = ""
		button3chamber2 = ""
		button3chamber = ""
		button4instrument2 = ""
		button4instrument = ""
		button5choral2 = ""
		button5choral = ""
		button6anthem2 = ""
		button6anthem = ""
		
		document.button1b = ""
		document.button2b = ""
		document.button3b = ""
		document.button4b = ""
		document.button5b = ""
		document.button6b = ""
	}