I have need to move the mouse cursor position in the browser, I can use any method as long as its in Google Chrome or Firefox, one or the other. In the best case, I would li
I don't think this is possible. Altough Greasemonkey gives some additional features (like Cross-Server XMLHttpRequests), I don't think this has been implemented.
Perhaps what you are looking for is a feature available for Firefox extensions. But I'm not sure.
Maybe you can emulate this behaviour as in LMGTFY. You can hide the mouse with CSS, I think.
Edit: I'm using both bit.ly and LMGTFY to stand my point. The question is about hiding a mouse. Please read before voting and editing, people!