var menuNameTop = new Array('MENU00a','MENU01a','MENU02a','MENU03a','MENU04a');
var menuNameBottom = new Array('MENU00b','MENU01b','MENU02b','MENU03b','MENU04b');

var onMenuFile  = new Array(
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit1_120_50_on.jpg',
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit2_120_50_on.jpg',
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit3_120_50_on.jpg',
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit4_120_50_on.jpg',
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit5_120_50_on.jpg'
);
var offMenuFile = new Array(
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit1_120_50_off.jpg',
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit2_120_50_off.jpg',
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit3_120_50_off.jpg',
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit4_120_50_off.jpg',
	'http://images.shopping.msn.co.jp/jp/img/edt/_content/special/theme/200910/knit/200910_knit5_120_50_off.jpg'
);

if(navigator.appVersion.charAt(0)>="3"){
	var onMenuImg = new Array();
	var offMenuImg = new Array();
	for(i=0; i<onMenuFile.length; i++){
		onMenuImg[i] = new Image();
		offMenuImg[i] = new Image();
		
		onMenuImg[i].src = onMenuFile[i];
		offMenuImg[i].src = offMenuFile[i];
	}
}

function on(num)
{
	if(navigator.appVersion.charAt(0) >= "3"){
		document.images[menuNameTop[num]].src = onMenuImg[num].src;
		document.images[menuNameBottom[num]].src = onMenuImg[num].src;
	}
}

function off(num)
{
	if(navigator.appVersion.charAt(0) >= "3"){
		document.images[menuNameTop[num]].src = offMenuImg[num].src;
		document.images[menuNameBottom[num]].src = offMenuImg[num].src;
	}
}