function open_help(page) {
	if (screen) { var iH = parseInt(screen.height/3); var iW = parseInt(screen.width/3); }
	else { var iH = 400; var iW = 400; }
	var oWin = window.open(page, null, "height=" + iH + ",width=" + iW + ",resizable=yes,status=yes,toolbar=no,menubar=no,location=no,scrollbars=1");
}