For me, on my motorola click, i press the options/menu button next to the home key (it looks like four squares with the top left square shaded) while the browser is open. The six options I have are Go, Exit, Bookmarks, New window, Refresh, and More. If there are already multiple windows open, the New Window option is instead called Windows and flips to the screen where you can choose which window to open (or close).
Good Luck.