function findFirstInFrames(win, id) {
	var elem;
	if (win && win.document) { 
		elem = win.document.getElementById(id);
		if (elem) { return elem; }
		if (win.frames) {
			for (var i = 0; i < win.frames.length; i++) {
				elem = findChild(win.frames[i], id);
				if (elem) { return elem; }
			}
		}
	}
	return null;
}