$(document).ready(function(){ 
	$("#schedule").tablesorter({ 
		widgets: ['zebra'], 
		headers: { 
			//#disable sorting of certain columns
			0: { sorter: false }, 
			3: { sorter: false }, 
			4: { sorter: false }
		},
		sortForce: [[5,0]]
	});
	
	$('#datesort').click(function() { 
        var sorting = [[5,0],[2,0]]; 
        $("#schedule").trigger("sorton",[sorting]); 
		$("#schedule th").removeClass('headerSortUp headerSortDown');
		$(this).addClass('headerSortUp');
        return false; 
    }); 	 
});