var offImgArray = new Array();
var onImgArray = new Array();
var indexArray = new Array(7);

	indexArray[0] = "home"; 
	indexArray[1] = "biography"; 
	indexArray[2] = "bookings"; 		
	indexArray[3] = "songs"; 		
	indexArray[4] = "contact";
	indexArray[5] = "repertoire";
	indexArray[6] = "band";


	offImgArray[0] = new Image( 224, 47);
	offImgArray[1] = new Image( 224, 47);
	offImgArray[2] = new Image( 224, 47);
	offImgArray[3] = new Image( 224, 47);
	offImgArray[4] = new Image( 224, 47);
	offImgArray[5] = new Image( 224, 47);
	offImgArray[6] = new Image( 224, 47);

	offImgArray[0].src = "imgs/menu/home_off.jpg";
	offImgArray[1].src = "imgs/menu/biography_off.jpg";
	offImgArray[2].src = "imgs/menu/bookings_off.jpg";
	offImgArray[3].src = "imgs/menu/songs_off.jpg";
	offImgArray[4].src = "imgs/menu/contact_off.jpg";
	offImgArray[5].src = "imgs/menu/repertoire_off.jpg";
	offImgArray[6].src = "imgs/menu/band_off.jpg";

	onImgArray[0] = new Image( 224, 47);
	onImgArray[1] = new Image( 224, 47);
	onImgArray[2] = new Image( 224, 47);
	onImgArray[3] = new Image( 224, 47);
	onImgArray[4] = new Image( 224, 47);
	onImgArray[5] = new Image( 224, 47);
	onImgArray[6] = new Image( 224, 47);
	
	onImgArray[0].src = "imgs/menu/home_on.jpg";
	onImgArray[1].src = "imgs/menu/biography_on.jpg";
	onImgArray[2].src = "imgs/menu/bookings_on.jpg";
	onImgArray[3].src = "imgs/menu/songs_on.jpg";
	onImgArray[4].src = "imgs/menu/contact_on.jpg";
	onImgArray[5].src = "imgs/menu/repertoire_on.jpg";
	onImgArray[6].src = "imgs/menu/band_on.jpg";

function index( str )
	{
	for( var i = 0; i < indexArray.length; i++ )
		{
		if( indexArray[i] == str  )
			return i;
		}
	return 0;
	}

function imageOn( iName )
	{
	document[ iName ].src = onImgArray[ index(iName) ].src; 
	}

function imageOff( iName )
	{
	document.images[ iName ].src = offImgArray[ index(iName) ].src; 
	}