function trim(stringToTrim) {
	return stringToTrim.replace(/^\s+|\s+$/g,"");
}
function ltrim(stringToTrim) {
	return stringToTrim.replace(/^\s+/,"");
}
function rtrim(stringToTrim) {
	return stringToTrim.replace(/\s+$/,"");
}

function openPlayer() {
  openPlayer('');
}

function openPlayer(sound,home_url) {
  player=window.open(home_url+"player.htm?layout=window&param[play_id]="+sound, "myplayer", "width=620,height=320,resizable=no,left=30,top=50");
}