function mute() {
	if(document.radio.settings.volume==0) {
		document.radio.settings.volume=50;
		document.getElementById('mute_sound').src='images/btn_mute.gif';
	}
	else {
		document.radio.settings.volume=0;
		document.getElementById('mute_sound').src='images/btn_unmute.gif';
	}
}
function playPause() {
	if (document.radio.playState==3) {
		document.radio.controls.pause();
		document.getElementById('play').src='images/btn_play.gif';
	}
	else {
		document.radio.controls.play();
		document.getElementById('play').src='images/btn_pause.gif';
	}
}
function volumeLess(value) {
	document.radio.settings.volume-=value;
}
function volumeMore(value) {
	document.radio.settings.volume+=value;
}
function muteRP() {
	if(document.radio.GetMute()) {
		document.radio.SetMute(false);
		document.getElementById('mute_sound').src='images/btn_mute.gif';
	}
	else {
		document.radio.SetMute(true);
		document.getElementById('mute_sound').src='images/btn_unmute.gif';
	}
}
function playPauseRP() {
	if (document.radio.CanPause()) {
		document.radio.DoPause();
		document.getElementById('play').src='images/btn_play.gif';
	}
	else {
		document.radio.DoPlay();
		document.getElementById('play').src='images/btn_pause.gif';
	}
}
function volumeLessRP(value) {
	document.radio.SetVolume(document.radio.GetVolume()-value);
}
function volumeMoreRP(value) {
	document.radio.SetVolume(document.radio.GetVolume()+value);
}