function swapYear(button, year) {
	pd = document.getElementById('playlistdates');
	years = new Array();

	pdMonths = pd.getElementsByTagName('div');
	for(i = 0; i < pdMonths.length; i++) { pdMonths[i].style.display = 'none'; }
	document.getElementById('playlists'+year).style.display = '';

	pMenu = document.getElementById('submenu').getElementsByTagName('a');
	for(i = 0; i < pMenu.length; i++) {
		if(pMenu[i].parentNode.className == 'menu') pMenu[i].className = (pMenu[i].innerHTML == year) ? 'a sel' : 'a';
	}
	button.blur();

	return false;
}