var loc = "Home";
	var current = "";

	if (document.images) {

		Home = new Image
		HomeRollover = new Image
		ThreeG = new Image
		ThreeGRollover = new Image
		Bluetooth = new Image
		BluetoothRollover = new Image
		MobileGaming = new Image
		MobileGamingRollover = new Image
		Messaging = new Image
		MessagingRollover = new Image
		FreeMobile = new Image
		FreeMobileRollover = new Image
     	Shop = new Image
		ShopRollover = new Image
		
		Home.src = '/photos/top-buttons/home-off.gif'
		HomeRollover.src = '/photos/top-buttons/home-on.gif'
		ThreeG.src = '/photos/top-buttons/3g-off.gif'
		ThreeGRollover.src = '/photos/top-buttons/3g-on.gif'
		Bluetooth.src = '/photos/top-buttons/bluetooth-off.gif'
		BluetoothRollover.src = '/photos/top-buttons/bluetooth-on.gif'
		MobileGaming.src = '/photos/top-buttons/mobile-gaming-off.gif'
		MobileGamingRollover.src = '/photos/top-buttons/mobile-gaming-on.gif'
		Messaging.src = '/photos/top-buttons/messaging-off.gif'
		MessagingRollover.src = '/photos/top-buttons/messaging-on.gif'
		FreeMobile.src = '/photos/top-buttons/free-mobile-off.gif'
		FreeMobileRollover.src = '/photos/top-buttons/free-mobile-on.gif'
		Shop.src = '/photos/top-buttons/shop-off.gif'
		ShopRollover.src = '/photos/top-buttons/shop-on.gif'



		function rollover(tab) {

			if (current != "") {
				imgOn = eval(current + ".src");
				document[current].src = imgOn;
			}

			if (tab != loc) {
				imgOn = eval(tab + "Rollover.src");
				document[tab].src = imgOn;
				current = tab;
			}

		}
   	}