-text "Two groups of radiobuttons are displayed below. If you click on a button then the button will become selected exclusively among all the buttons in its group. A Tcl variable is associated with each group to indicate which of the group's buttons is selected. Click the \"See Variables\" button to see the current values of the variables. Click the \"OK\" button when you've seen enough."
frame $w.frame -borderwidth 10
frame $w.frame2
pack $w.msg -side top
pack $w.msg -side top
pack $w.frame -side top -fill x -pady 10
pack $w.frame2 -side bottom -fill x
frame $w.frame.left
frame $w.frame.right
pack $w.frame.left $w.frame.right -side left -expand yes