function toggleInvoice()
{
	if($('#invoice-wrapper:visible').get(0))
	{
		$('#invoice-wrapper:visible').hide('fast');
	} else {
		$('#invoice-wrapper:hidden').show('fast');
	}
}

function initForm()
{
	$('input#address-prepare_invoice').click( toggleInvoice );
	if($('input#address-prepare_invoice'))
	{
		if(!$('input#address-prepare_invoice').get(0).checked)
		{
			toggleInvoice();
		}
	}
}

function initialize()
{
	initForm();
}

$(document).ready(initialize);