$(document).ready(function(){

	var classes = $('.nav-wrapper').attr("class");
	header_num = classes.substring( (classes.indexOf("header-")+7), (classes.indexOf("header-")+9) );
	$('.nav-wrapper').css("background", "url('" + url + "/images/headers/" + header_num + ".jpg') center");

});track_num = 1;function prev_track( cur_track_num ) {	track_num = cur_track_num - 1;	update_music_player();}function next_track( cur_track_num ) {	track_num = cur_track_num + 1;	update_music_player();}function update_music_player() {	$('#track_number').html( "(" + track_num + "/4)" );	adjust_arrows(track_num);	track_title = $('#song_title');	switch(track_num) {		case 2:			track_title.html("Up North");			AudioPlayer.embed("audioplayer_1", {soundFile: url + "music/up_north.mp3",titles: "Up North" ,animation: "no",transparentpagebg: "yes",loader: "000000", autostart: "yes"});			break;		case 4:			track_title.html("6am Tomorrow Morning");			AudioPlayer.embed("audioplayer_1", {soundFile: url + "music/6am_tomorrow_morning.mp3",titles: "6am Tomorrow Morning", animation: "no",transparentpagebg: "yes",loader: "000000", autostart: "yes"});			break;		case 3:			track_title.html("Someday Soon");			AudioPlayer.embed("audioplayer_1", {soundFile: url + "music/someday_soon.mp3",titles: "Someday Soon", animation: "no",transparentpagebg: "yes",loader: "000000", autostart: "yes"});			break;		case 1:			track_title.html("7 Years");			AudioPlayer.embed("audioplayer_1", {soundFile: url + "music/7_years.mp3",titles: "7 Years", animation: "no",transparentpagebg: "yes",loader: "000000", autostart: "yes"});			break;	}}function adjust_arrows(track_num) {	last_track = 4;	if( track_num == 1 ) {		$("#arrow_left").html('<img src="' + url + 'images/arrow_left_disabled.jpg" />');	}	else if( track_num == 2 ) {		$("#arrow_left").html('<a href="javascript:prev_track( track_num )"><img src="' + url + 'images/arrow_left.jpg" /></a>');	}	else if	( track_num == 3 ) {		$("#arrow_right").html('<a href="javascript:next_track( track_num )"><img src="' + url + 'images/arrow_right.jpg" /></a>');	}	else if	( track_num == last_track ) {		$("#arrow_right").html('<img src="' + url + 'images/arrow_right_disabled.jpg" />');	}}