if (document.images){
	home_off = new Image();
	home_off.src = "images/navigation/home_off.png";
	home_on = new Image();
	home_on.src = "images/navigation/home_on.png";

	voiceovers_off = new Image();
	voiceovers_off.src = "images/navigation/voiceovers_off.png";
	voiceovers_on = new Image();
	voiceovers_on.src = "images/navigation/voiceovers_on.png";

	music_off = new Image();
	music_off.src = "images/navigation/music_off.png";
	music_on = new Image();
	music_on.src = "images/navigation/music_on.png";

	artwork_off = new Image();
	artwork_off.src = "images/navigation/artwork_off.png";
	artwork_on = new Image();
	artwork_on.src = "images/navigation/artwork_on.png";

	squibbles_off = new Image();
	squibbles_off.src = "images/navigation/squibbles_off.png";
	squibbles_on = new Image();
	squibbles_on.src = "images/navigation/squibbles_on.png";

	links_off = new Image();
	links_off.src = "images/navigation/links_off.png";
	links_on = new Image();
	links_on.src = "images/navigation/links_on.png";

	contact_off = new Image();
	contact_off.src = "images/navigation/contact_off.png";
	contact_on = new Image();
	contact_on.src = "images/navigation/contact_on.png";	
	
	function myOn(home){
		document[home].src = eval(home + "_on").src;
	}
	
	function myOut(home){
		document[home].src = eval(home + "_off").src;
	}
	
		function myOn(voiceovers){
		document[voiceovers].src = eval(voiceovers + "_on").src;
	}
	
	function myOut(voiceovers){
		document[voiceovers].src = eval(voiceovers + "_off").src;
	}
	
		function myOn(music){
		document[music].src = eval(music + "_on").src;
	}
	
	function myOut(music){
		document[music].src = eval(music + "_off").src;
	}
	
		function myOn(artwork){
		document[artwork].src = eval(artwork + "_on").src;
	}
	
	function myOut(artwork){
		document[artwork].src = eval(artwork + "_off").src;
	}
	
		function myOn(squibbles){
		document[squibbles].src = eval(squibbles + "_on").src;
	}
	
	function myOut(squibbles){
		document[squibbles].src = eval(squibbles + "_off").src;
	}
	
		function myOn(links){
		document[links].src = eval(links + "_on").src;
	}
	
	function myOut(links){
		document[links].src = eval(links + "_off").src;
	}
	
		function myOn(contact){
		document[contact].src = eval(contact + "_on").src;
	}
	
	function myOut(contact){
		document[contact].src = eval(contact + "_off").src;
	}
}