function trim(str) {
	return str.replace(/^\s+|\s+$/g,"");
}
    		
function onYouTubePlayerReady(playerId) {
	ytplayer = document.getElementById("ytplayer");
	ytplayer.addEventListener("onStateChange", "onytplayerStateChange");
}

function onytplayerStateChange(newState) {
	if(newState == 1){
		ytplayer.mute();
	}
}