function polaroid_left() {
	$.get("ajax_polaroids.php", { direction: -1, page: 'homepage' },
	function(data) { $('#thumbnail_menu_container').html(data); } );
}

function polaroid_right() {
	$.get("ajax_polaroids.php", { direction: 1, page: 'homepage' },
	function(data) { $('#thumbnail_menu_container').html(data); } );
}