$(document).ready(function() { 
    // extend the default setting to always include the zebra widget. 
    $.tablesorter.defaults.widgets = ['zebra']; 
    // extend the default setting to always sort on the first column 
    $.tablesorter.defaults.sortList = [[2,0]]; 
	
	$.tablesorter.defaults.headers = [[4,0]]; 

    // call the tablesorter plugin 
    $("table").tablesorter(); 
});