img1on = new Image();
img1on.src = "Images/Media/nav_gifts_b.gif";
img1off = new Image();
img1off.src = "Images/Media/nav_gifts_a.gif";

img2on = new Image();
img2on.src = "Images/Media/nav_started_b.gif";
img2off = new Image();
img2off.src = "Images/Media/nav_started_a.gif";

img3on = new Image();
img3on.src = "Images/Media/nav_cards_b.gif";
img3off = new Image();
img3off.src = "Images/Media/nav_cards_a.gif";

img4on = new Image();
img4on.src = "Images/Media/press_b.gif";
img4off = new Image();
img4off.src = "Images/Media/press_a.gif";

img5on = new Image();
img5on.src = "Images/Media/nav_about_b.gif";
img5off = new Image();
img5off.src = "Images/Media/nav_about_a.gif";

img6on = new Image();
img6on.src = "Images/Media/nav_games_b.gif";
img6off = new Image();
img6off.src = "Images/Media/nav_games_a.gif";

img7on = new Image();
img7on.src = "Images/Media/nav_contact_b.gif";
img7off = new Image();
img7off.src = "Images/Media/nav_contact_a.gif";

img8on = new Image();
img8on.src = "Images/Media/nav_faq_b.gif";
img8off = new Image();
img8off.src = "Images/Media/nav_faq_a.gif";

img9on = new Image();
img9on.src = "Images/Media/teachtools_b.jpg";
img9off = new Image();
img9off.src = "Images/Media/teachtools_a.jpg";
	
function imgon(imgName){
	document[imgName].src = eval(imgName + 'on.src');
	}
	
function imgoff(imgName){
	document[imgName].src = eval(imgName + "off.src");
	}