function copyAddress()  {
    var prefix = document.forms['aspnetForm'].elements['jsPrefix'].value;
    var oForm = document.forms['aspnetForm']

    oForm.elements[prefix + '_DeliveryNameTextBox'].value = oForm.elements[prefix + '_NameTextBox'].value
    oForm.elements[prefix + '_DeliveryLine1TextBox'].value = oForm.elements[prefix + '_Line1TextBox'].value
    oForm.elements[prefix + '_DeliveryLine2TextBox'].value = oForm.elements[prefix + '_Line2TextBox'].value
    oForm.elements[prefix + '_DeliveryLine3TextBox'].value = oForm.elements[prefix + '_Line3TextBox'].value
    oForm.elements[prefix + '_DeliveryTownTextBox'].value = oForm.elements[prefix + '_TownTextBox'].value
    oForm.elements[prefix + '_DeliveryCountyTextBox'].value = oForm.elements[prefix + '_CountyTextBox'].value
    oForm.elements[prefix + '_DeliveryPostcodeTextBox'].value = oForm.elements[prefix + '_PostcodeTextBox'].value
    oForm.elements[prefix + '_DeliveryCountryDropDownList'].selectedIndex = oForm.elements[prefix + '_CountryDropDownList'].selectedIndex
}