// ポータルTOPへの遷移関数
function return_top(){top.location.href="https://t-navi.tv/tnavi/portalback.do";}

// ポータルTOPへ戻る関数()
function playReturnSnd_darkblue(){
	if (navigator.playRomSound){
		setTimeout("return_top()",700);
		document.getElementById("snd_file").setAttribute("data","./png_darkblue_letter/zero.aac");
		document.getElementById("snd_file").setAttribute("data","./png_darkblue_letter/return_sound.aac");
	}else{
		top.location.href="https://t-navi.tv/tnavi/portalback.do";
	}
}
function playReturnSnd_lightblue(){
	if (navigator.playRomSound){
		setTimeout("return_top()",700);
		document.getElementById("snd_file").setAttribute("data","./png_lightblue_letter/zero.aac");
		document.getElementById("snd_file").setAttribute("data","./png_lightblue_letter/return_sound.aac");
	}else{
		top.location.href="https://t-navi.tv/tnavi/portalback.do";
	}
}
function playReturnSnd_white(){
	if (navigator.playRomSound){
		setTimeout("return_top()",700);
		document.getElementById("snd_file").setAttribute("data","./png_white_letter/zero.aac");
		document.getElementById("snd_file").setAttribute("data","./png_white_letter/return_sound.aac");
	}else{
		top.location.href="https://t-navi.tv/tnavi/portalback.do";
	}
}
// ROMサウンド再生用関数(フォーカス移動)
function playFocusSnd(){
	if (navigator.playRomSound) navigator.playRomSound(9);
}

// ROMサウンド再生用関数(決定キー押下)
function playClickSnd(){
	if (navigator.playRomSound) navigator.playRomSound(7);
}