Default Child Window Size in IE 6

Is there a way to set the default window size of a child window in IE6 SP1 on W2K, to be maximized. I know programatically this can be accomplished, but I’m looking for a registry tweak that will always open a child window maximized.

Currently, the child window opens at about 33% of the fully maximized size which is very annoying, causing me and several others to always click the maximize button.