Need to remove Envelope node from xml

Hi,

Thanks in advance for helping.

 I need to make changes into the outbound XML generation of electronic VendPayment. Since their bank was not able to accept the current format of the XML generated from AX.

The XML includes Envelope and Header tags with output XML as shown in below screenshot

so i need to remove that extra tags highlighted above. and xml should look like below

i have done some changes in xslt as suggested in below link

http://msdynamicsguys.blogspot.in/2013/08/modify-xml-using-xsl-outbound-transform.html

but not succeed. 

so anyone have idea that what change do i need to do in XSLT file so that above tags gets removed.

Thanks

Hemesh