var sound_playing=0;

function exists_cookie() {
var allcookies=document.cookie;
var hasplayed=allcookies.indexOf("has_played=1");
if (hasplayed!=-1) {
	return true;
	} else {
	return false;
	}
} 

function set_cookie() {
document.cookie= "has_played=1";
	return 1;
}

function clear_cookie() {
document.cookie= "has_played=0";
	return 1;
}

function play_sound() {
	show_toggle();
	sound_playing=1;
	embed=document.createElement("embed");
	embed.setAttribute('id','playerid');
	//	embed.id='playerid';
	embed.setAttribute('type','audio/x-mpeg3');
	//	embed.type='audio/x-mpeg3';
	embed.src="clavelrojo.mp3";
	embed.setAttribute('hidden','true');
	//	embed.hidden='true';
	embed.setAttribute('autostart','true');
	//	embed.autoStart='true';
//	embed.height="40px";
//	embed.width="200px";
	document.body.appendChild(embed);
}

function stop_sound() {
	soundplayer=document.getElementById('playerid');
	document.body.removeChild(embed);
	sound_playing=0;
}

function toggle_sound() {
	toggle=document.getElementById('toggleid');
	var t=toggle.firstChild;
	toggle.removeChild(t);
	if (sound_playing==0) {
		t=document.createTextNode('Stop music');
			toggle.appendChild(t);
		play_sound();
		
	} else {
		stop_sound();
		t=document.createTextNode('Play music');
			toggle.appendChild(t);
	}

}

function show_toggle() {
	toggle=document.getElementById('toggleid');
	toggle.setAttribute('style',"display: ''");
		toggle.style.display='';
	note=document.getElementById('music');
	note.setAttribute('style',"display: ''");
		note.style.display='';
}

function toggle_to_start() {
	toggle=document.getElementById('toggleid');
	var t=toggle.firstChild;
	toggle.removeChild(t);
		t=document.createTextNode('Play music');
			toggle.appendChild(t);
	
}

function toggle_to_stop() {
	toggle=document.getElementById('toggleid');
	var t=toggle.firstChild;
	toggle.removeChild(t);
		t=document.createTextNode('Stop music');
			toggle.appendChild(t);
}