javascript用window.open（）打开一个新网页，新网页在母网页的底层

Question

javascript用window.open（）打开一个新网页，新网页在母网页的底层
window.open('http://www.baidu.com', 'fullscreen', 'fullscreen=yes')
求大牛解答啊，有时候新网页在顶层，有时候在底层，怎么回事啊，用的IE8

Answer 1

alwaysLowered (Navigator 4.0) If yes, creates a new window that floats below other windows, whether it is active or not. This is a secure feature and must be set in signed scripts.

alwaysRaised (Navigator 4.0) If yes, creates a new window that floats on top of other windows, whether it is active or not. This is a secure feature and must be set in signed scripts

ie是很蛋疼的