$(document).ready(
	function() {
		$('#btn_checkout').bind('click', function(e){ window.location = "/store/cart/verify-addresses" });
		$('#shipping_service').bind('change', calc_total);
		$('#shipping_service').bind('keyup', calc_total);
		calc_total();	
	}
);

function calc_total(e) {
	var shipping	= $('#shipping_service :selected').text().split('$')[1];
	$('#total_div').html('$' + (parseFloat($('#subtotal').val()) + parseFloat(shipping)).toFixed(2));
}