function invoicedet() {
	var invoice_div = document.getElementById('invoice_det');
	var invoice = document.getElementById('invoice');
	var is_showflag = document.getElementById('invoicestate_showflag');
	
	if (invoice.checked == true) {
		is_showflag.value = 1;
		invoice_div.style.display = 'block';
	}
	else if (invoice.checked == false) {
		is_showflag.value = 0;
		invoice_div.style.display = 'none';
	}
}

function deliverydet() {
	var delivery_div = document.getElementById('delivery_det');
	var delivery = document.getElementById('delivery');
	var ds_showflag = document.getElementById('deliverystate_showflag');
	
	if (delivery.checked == true) {
		ds_showflag.value = 1;
		delivery_div.style.display = 'block';
	}
	else if (delivery.checked == false) {
		ds_showflag.value = 0;
		delivery_div.style.display = 'none';
	}
}