dhxLayout and the Backspace Key

I have a login screen that, when authenticated, pulls in a page that has several layout panels. From that point on everything is managed within these panels. One has a menu of functions which, when selected, causes a page to be loaded into one of the other panels. These other pages may, in turn, open up dhx windows for “pop-up” functions.

It seems that if one is working away in one of the panels, or one of the dhx windows, and presses the backspace key, the browser (I’ve seen it in IE and Chrome) returns control to the previous page – which in this case is the login screen.

Is there a way to prevent this and, instead, have the backspace key ignored?