$(document)
		.ready(
				function() {

					$.tablesorter.addParser({
						// use a unique id
						id : 'number',
						is : function(s, table, cell) {
							// s is the text from the cell
							// table is the current table (as a DOM element; not
							// jQuery object)
							// cell is the current table cell (DOM element)
							// return false if you don't want this parser to be
							// auto detected
							return false;
						},
						format : function(s, table, cell, cellIndex) {
							// s is the text from the cell
							// table is the current table (as a DOM element; not
							// jQuery object)
							// cell is the current table cell (DOM element)
							// cellIndex is the current cell's column index
							// format your data for normalization
							// (i.e. do something to get and/or modify your
							// data, then return it)
			
							return $(cell).attr('data-value');
						},
						// flag for filter widget (true = ALWAYS search parsed
						// values; false = search cell text)
						parsed : false,
						// set the type to either numeric or text (text uses a
						// natural sort function
						// so it will work for everything, but numeric is faster
						// for numbers
						type : 'numeric'
					});
					
					  $('#myTable').tablesorter({ 
						    cssChildRow: "subcategory",	
						    widget: ['zebra'],
					        headers: {
					        2: {
					            sorter: 'number'
					        },
					        4: {
					            sorter: 'number'
					        },
					        }
					    });
	


				});


function showChildren(id){
	var status=$('.parent_'+id).data('value');
	
	$('.'+id).each(function(index,row){
		if(status==0){
			$(row).css('display',"");
		} else {
			$(row).css('display','none');
		}
	
	});
	if(status==1){
		$('.parent_'+id).data('value',0);
	} else {
		$('.parent_'+id).data('value',1);
	}
}