if(navigator.appVersion.charAt(0) >=3){
	var rollimg = new Array();
	
	for( i = 0 ; i < 32 ; i++ ){
		rollimg[i] = new Image();
	}

	rollimg[0].src= "/common/images/header/years0-2_off.gif";
	rollimg[1].src= "/common/images/header/years0-2_on.gif";
	rollimg[2].src= "/common/images/header/years3-5_off.gif";
	rollimg[3].src= "/common/images/header/years3-5_on.gif";
	rollimg[4].src= "/common/images/header/years6-9_off.gif";
	rollimg[5].src= "/common/images/header/years6-9_on.gif";
	rollimg[6].src= "/common/images/header/years10-12_off.gif";
	rollimg[7].src= "/common/images/header/years10-12_on.gif";
	rollimg[8].src= "/common/images/header/years13-15_off.gif";
	rollimg[9].src= "/common/images/header/years13-15_on.gif";
	rollimg[10].src= "/common/images/mirai_off.gif";
	rollimg[11].src= "/common/images/mirai_on.gif";
	rollimg[12].src= "/common/images/navi01_off.gif";
	rollimg[13].src= "/common/images/navi01_on.gif";
	rollimg[14].src= "/common/images/navi02_off.gif";
	rollimg[15].src= "/common/images/navi02_on.gif";
	rollimg[16].src= "/common/images/navi03_off.gif";
	rollimg[17].src= "/common/images/navi03_on.gif";
	rollimg[18].src= "/common/images/navi04_off.gif";
	rollimg[19].src= "/common/images/navi04_on.gif";
	rollimg[20].src= "/common/images/header/years0-2_off2.gif";
	rollimg[21].src= "/common/images/header/years0-2_on2.gif";
	rollimg[22].src= "/common/images/header/years3-5_off2.gif";
	rollimg[23].src= "/common/images/header/years3-5_on2.gif";
	rollimg[24].src= "/common/images/header/years6-9_off2.gif";
	rollimg[25].src= "/common/images/header/years6-9_on2.gif";
	rollimg[26].src= "/common/images/header/years10-12_off2.gif";
	rollimg[27].src= "/common/images/header/years10-12_on2.gif";
	rollimg[28].src= "/common/images/header/years13-15_off2.gif";
	rollimg[29].src= "/common/images/header/years13-15_on2.gif";
	rollimg[30].src= "/common/images/mirai_off2.gif";
	rollimg[31].src= "/common/images/mirai_on2.gif";
}

function rollover(dim,cnt){
	if(navigator.appVersion.charAt(0) >= 3 ){
		document.images[dim].src=rollimg[cnt].src;
	}
}