VBA to log into website to extract data

Hello all, I am working on a VBA code to sign into a website and extract data from that said website. The below code is what i have so far. Things that I know are incorrect: entering the username does not process. I have a feeling that it has to due the HTML code of the website and I am just not familiar with using VBA to manipulate IE at all. However, the password part works just fine. Secondly, I do not know how to trigger the "login" button. Any help would be greatly appreciated. This is all code that i have compiled from my research in understanding the subject.

URL: https://live.barcap.com

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HTML Code: 

Hi,

'cause button gets an ID ("submit"), use getElementByID statement instead of a bad loop on Value !

If you fail, post your IE version and your OS version …