i need the tags ServerName, DBName, UserName, RoleName. I can not access to these tags, because the first part of the xml is creating me troubles

```
<Objs Version="1.1.0.1" xmlns="http://schemas.microsoft.com/powershell/2004/04">
  <Obj RefId="0">
    <TN RefId="0">
      <T>Selected.System.Object</T>
      <T>System.Management.Automation.PSCustomObject</T>
      <T>System.Object</T>
    </TN>
    <MS>
      <S N="ServerName">DDW</S>
      <S N="DBName">dwSeriesOLAP</S>
      <S N="UserName">123Z</S>
      <S N="RoleName">test1</S>
    </MS>
  </Obj>
  <Obj RefId="1">
   <TNRef RefId="0" />
    <MS>
      <S N="ServerName">DDW</S>
      <S N="DBName">dwSeriesOLAP</S>
      <S N="UserName">1234</S>
      <S N="RoleName">test2</S>
    </MS>
  </Obj>
  <Obj RefId="2">
    <TNRef RefId="0" />
    <MS>
      <S N="ServerName">DDW</S>
      <S N="DBName">dwSeriesOLAP</S>
      <S N="UserName">12345aa</S>
      <S N="RoleName">test3</S>
    </MS>
   </Obj>
</Objs>

```