var sound_status="odakyu_snd";
var sound_status_value;
var root ="http://" + location.hostname + "/kids/";
var expiration = new Date((new Date()).getTime() + 15 * 60000);

function init(){
	var sound_status_value = getCookie(sound_status);

	if(sound_status_value == "on"){
		set_sound_on();}
	else if(sound_status_value == "off"){
		set_sound_off();}
	else{set_sound_off();}

}

function set_sound_on(){
	sound_status_value = "on";
	document.getElementById("bgm").innerHTML = '<embed id="sound" src="' + root +'shared/sound/bgm.mp3" volume="70" height="0" width="0" hidden="true" loop="true" autostart="true"></embed>';
	document.getElementById("btn_on").src = root +"shared/img/sound_on_1.gif";
	document.getElementById("btn_off").src = root +"shared/img/sound_off_1.gif";	
	document.cookie = sound_status +"="+sound_status_value;
	document.cookie += "; expires ="+ expiration.toGMTString();
	document.cookie += "; path=" + "/" ;
	document.cookie += "; domain=" + location.hostname;
	document.cookie += "; secure";
	//alert(document.cookie);
}

function set_sound_off(){
	sound_status_value = "off";
	document.getElementById("bgm").innerHTML = '<embed id="sound" src="' + root +'shared/sound/bgm.mp3" volume="-3400" height="0" width="0" hidden="true" loop="true" autostart="true"></embed>';
	document.getElementById("btn_on").src = root +"shared/img/sound_on_2.gif";
	document.getElementById("btn_off").src = root +"shared/img/sound_off_2.gif";	
	document.cookie = sound_status +"="+sound_status_value;
	document.cookie += "; expires ="+ expiration.toGMTString();
	document.cookie += "; path=" + "/" ;
	document.cookie += "; domain=" + location.hostname;
	document.cookie += "; secure";
	//alert(document.cookie);
}

function getCookie(sound_status){
  var sound_status_value;
  var arrStr = document.cookie.split("; ");
  for(var i = 0;i < arrStr.length;i ++){
  	var temp = arrStr[i].split("=");
  	if(temp[0] == sound_status){
	sound_status_value = temp[1];
	return sound_status_value;}
  }
}

function setCookies(sound_status_value){
	document.cookie = "odakyu_snd="+sound_status_value;
	document.cookie += "; expires ="+ expiration.toGMTString();
	document.cookie += "; path=" + "/" ;
	document.cookie += "; domain=" + location.hostname;
	document.cookie += "; secure";
}

function alertArray(ary){
alert( ary[0] + ":" + ary[1] );
}

function getCookieFlash(){
	var result = getCookie("odakyu_snd");
	alert(result);
	return String(result);
}

function setCookieFlash(sound_status_value){
	setCookies(sound_status_value);
	alert("set successful");
}