function show(obj) {
	var div = document.getElementById(obj);
	div.style.display = "block";
}
function hide(obj) {
	var div = document.getElementById(obj);
	div.style.display = "none";
}
function validate() {
	form = document.checkout_form;
	if ((form.use_distrib_shipping[0].checked == false) &&	
		(form.use_distrib_shipping[1].checked == false) &&
		(form.use_distrib_shipping[2].checked == false)){
		alert('Please select a shipping address');
		return false;
	}
	
	err = '';
	// if they selected ship to alt: 
	if (form.use_distrib_shipping[2].checked && form.d2_first_name.value == '')
	{
		err += 'Please enter the name of the shipping destination' + "\n";
	}
	if (form.use_distrib_shipping[2].checked && form.d2_company.value == '')
	{
		err += 'Please enter the company.' + "\n";
	}
	if (form.use_distrib_shipping[2].checked && form.d2_street.value == '')
	{
		err += 'Please enter the street.' + "\n";
	}
	if (form.use_distrib_shipping[2].checked && form.d2_city.value == '')
	{
		err += 'Please enter city.' + "\n";
	}
	if (form.use_distrib_shipping[2].checked && form.d2_state.value == '')
	{
		err += 'Please enter the state.' + "\n";
	}
	if (form.use_distrib_shipping[2].checked && form.d2_postal_code.value == '')
	{
		err += 'Please enter the postal code' + "\n";
	}
	if (form.use_distrib_shipping[2].checked && form.d2_phone.value == '')
	{
		err += 'Please enter the phone.' + "\n";
	}
	
	
	// if they selected ship to self
	if (form.use_distrib_shipping[0].checked && form.first_name.value == '')
	{
		err += 'Please enter your first name.' + "\n";
	}
	if (form.use_distrib_shipping[0].checked && form.last_name.value == '')
	{
		err += 'Please enter your last name.' + "\n";
	}
	if (form.use_distrib_shipping[0].checked && form.street.value == '')
	{
		err += 'Please enter your street.' + "\n";
	}
	if (form.use_distrib_shipping[0].checked && form.city.value == '')
	{
		err += 'Please enter your city.' + "\n";
	}
	if (form.use_distrib_shipping[0].checked && form.state.value == '')
	{
		err += 'Please enter your state.' + "\n";
	}
	if (form.use_distrib_shipping[0].checked && form.postal_code.value == '')
	{
		err += 'Please enter your postal code' + "\n";
	}
	if (form.use_distrib_shipping[0].checked && form.phone.value == '')
	{
		err += 'Please enter the phone' + "\n";
	}
	if (err > '') {
		alert(err);
		return false;
	} else {
		return true;
	}
}