$(document).ready(function(){
	$.tablesorter.defaults.widgets = ['zebra']; 
	$.tablesorter.defaults.sortList = [[0,0]]; 
    $("#table-event-listing").tablesorter({ 
        headers: { 
            2: { 
                sorter: false 
            },
            5: { 
                sorter: false 
            }
        }
    });
});