$(function() {
	$('#removeDisabled').click(function() { $('.calculation1').removeClass('disabled'); $('.calculation1 tr.none').removeClass('none'); $('.calculation1 :checkbox:desabled').removeAttr('disabled'); $('.calculation1 tr:has(td):odd').addClass('odd'); $(this).remove(); });
	$('.calculation1 tr:has(td):odd').addClass('odd');
	var sum =  parseInt($('#amount').text());
	var hours = parseInt($('#hours').text());
	var sale = parseInt($('#sale').text());
	$('.calculation1 :checkbox:checked').each(function() {
		$(this).parents('tr').addClass('checked');
		sum = sum + parseInt($(this).val().split(',')[0]);
		hours = hours + parseInt($(this).val().split(',')[1]);
	});


	$('#amount').text(sum);
	$('#hours, #hours2').text(hours);
	var total = sum - sum * sale / 100;


	$('#total').text(total);


	$('.calculation1 :checkbox').click(function() {
		input = $(this);
		var money = parseInt($(this).val().split(',')[0]);
		var work = parseInt($(this).val().split(',')[1]);
		var amount = parseInt($('#amount').text());
		hours = parseInt($('#hours').text());
		if(input.attr('checked') == true ) {
			amount += money;
			hours += work;
			total = amount - amount * sale / 100;
			input.parents('tr').addClass('checked');

		} else {
			amount -= money;
			hours -= work;
			total = amount - amount * sale / 100;
			input.parents('tr').removeClass('checked');
		}
		$('#amount').text(amount);
		$('#hours , #hours2').text(hours);


		$('#total').text(total);
	});
});