How do I create and position object with xml file

"<?xml version=""1.0""?>
<build>
<xpos>500</xpos>
<ypos>500</ypos>
</build>

<build>
<xpos>100</xpos>
<ypos>200</ypos>
</build>
"
[/code:187dx0xk]

[b]The event[/b]
[img="http://4.ii.gl/KcSqaN_vP.png"]

[b]This are the result of this code & event.[/b]
[img="http://1.ii.gl/-UWmBSaPJ.jpg"]

[b]I was expecting to get this result but it fail.[/b]
[img="http://3.ii.gl/ELKktlbf.jpg"]

Please guide me to set things right.

"<?xml version=""1.0""?>
<builds>
  <build>
    <xpos>500</xpos>
    <ypos>500</ypos>
  </build>

  <build>
    <xpos>100</xpos>
    <ypos>200</ypos>
  </build>
</builds>
"
[/code:a3ah0qg7]

"<?xml version=""1.0""?>
<object>

<build id=""0"">
<xpos>250</xpos>
<ypos>250</ypos>
</build>

<build id=""1"">
<xpos>350</xpos>
<ypos>250</ypos>
</build>

</object>"
[/code:16q6eh65]

Now I'm trying to assign the [b]object instant variable[/b] with the build id in the code above and the event below. Its not working.
[img="http://4.ii.gl/T1nAIsK-.jpg"]