InfoPath Dev

I want to access a web service dynamically. Likehttp://server/sites/site1/lists.asmx and next timehttp://server/sites/site2/lists.asmx and so on. Is it possible through VBScript.

Thanks shirazcupala and I am working on it. I want to know one more thing, can i get any function in VBScript or JavaScript for the dynamic webservice.

Thanks for the immediate replies , But actually i have one big list, in that i have one column ex URL(Based on the URl,other information will be displayed). The form should get pre-populated when the form is opened i.e., on OnLoad event based on the URL and i have to submit to the form library in the OnLoad itself with the pre-populated ...

i desgined an infopath form that should get pre-populated from the list which i have and should be able to save(auotmatically subit to the form library )it with one of the columns as the form name.Is there anyway to do this.please help me asap