javascript的开窗器关闭问题

I have a problem with browsers window managament with javascript. I have two page in my proof of concept application. First page contains login information (username, password, login button etc.) and second page is a managament screen. I need that when the user pressed to the login button on the login screen it open to main screen and main screen must be open new window without full screen. I mean close, minimize, maximize buttons and bottom bar of the windows os must be stayed on the screen. I have a problem with browsers window managamen