How to use wrap a xml document object into a html document object

Hi 



Task :



I Have a XML document object and now to use all the native dhtml methods and properties i want to wrap this xml document object into a dhtml document object



I know that in test complete when i use the property zDocument i can get the DOM object but how would i use Vb Script to perform the above task



Could anyone please provide me with a sample code in Vb Script



Thank you in advance



Regards

Anand