Foolinlove----"You say that I should tell her how I feel, and I really want to, but I guess I'm afraid of her reaction and scared of loosing her as a friend, and I really don't want that to happen..."

If you want to keep pursuing this, just keep it on a friends level for now. Don't ask her, don't push her. She must know you're interested. So really, it's up to her to decide.

Good luck.