Eleqtriq 0 Newbie Poster

What's up, I've been working with document.getelementbyid lately and I've created a code to comment on a Youtube video:

WebBrowser1.Document.GetElementById("comment").SetAttribute("value", "comment here")
WebBrowser1.Document.GetElementById("add_comment_button").InvokeMember("click")

Anyway, I was wondering how I would rate a video?