var cur_track = "";
var all_tracks = [];

function switch_music(new_track_num)
{
	var new_track = all_tracks[new_track_num];
	
	set_active_music(new_track['file'], new_track['name']);
	return;
	
//	var movie = document.moviename;
//	movie.SetURL("/" + new_track['file']);
// 	set_node_text('now_playing', new_track['name']);
}

//Replaces the first child of the given element with a new text node containing new_text,
//or adds a new text node if there are no children
function set_node_text(elt_id, new_text)
{
	elt = document.getElementById(elt_id);
	
	if(!elt)
	{
//		Logger.info("set_node_text failed to find element " + elt_id);
		return;
	}
	
	newTextNode = document.createTextNode(new_text);
	
	if(elt.childNodes[0])
		elt.replaceChild(newTextNode, elt.childNodes[0]);
	else
		elt.appendChild(newTextNode);
}

function set_active_music(file, name)
{
	var movie = document.moviename;
	movie.SetURL("/" + file);
	set_node_text('now_playing', name);
}