var sipPos = 0;
$(document).ready(function() {
	$("#musica").fadeIn('slow');
	$(".music").click(function() {
		$("#musica").animate({ top: sipPos }, 909, 'linear', function() {
			if(sipPos == 0) {
				sipPos = -31;
			}
			else {
				sipPos = 0;
			}
		});
	});
});