function setDealerPrivate(whichToSet)
{
	var onlyCheckBox = document.forms['form'].elements['custtyp'];
	
	var onlyDealerCheckBoxState = onlyCheckBox[0].checked;
	var onlyPrivateCheckBoxState = onlyCheckBox[1].checked;

	onlyCheckBox[0].checked = false;
	onlyCheckBox[1].checked = false;
	
	if (whichToSet == 'D')
	{
		onlyCheckBox[0].checked = onlyDealerCheckBoxState;
	}
	else
	{
		onlyCheckBox[1].checked = onlyPrivateCheckBoxState;
	}
}

function delzipfield(obj){ 
 obj.value = "";
}