How to remove header in application server (AL11)

Dear Experts,

I have developed program to download xml data in application server(AL11). While downloading data by default its creating header in the xml file. Because of the header i am unable open in xml file . The format which i am getting is

Directory : / temp

Name : plant.xml

_____________________________________________________________________________________

<xml version = 1.0 encoding utf-8>

<tab>

<header>

<material>100000</material>

<plant>5000</plant>

</tab>

Pls anyone help me out regarding this.

Thanks

Ramesh Manoharan.