j.message/j.return : property panel doesn't work

[avilleret]

here is the error I get when right clicking on j.message object box and selecting 'property'

consistency check failed: atom_string
consistency check failed: atom_string
consistency check failed: atom_string
consistency check failed: atom_string
consistency check failed: atom_string
consistency check failed: atom_string
consistency check failed: atom_string
consistency check failed: atom_string
consistency check failed: atom_string
consistency check failed: atom_string
(Tcl) UNHANDLED ERROR: can't read "var_ramp": no such variable
    while executing
"global $var_ramp/drive "
    (procedure "pdtk_j.message_dialog" line 25)
    invoked from within
"pdtk_j.message_dialog .gfxstub6843230 "" "" "" "" "" "" "" "" "" """
    ("uplevel" body line 22)
    invoked from within
"uplevel #0 $docmds"

related to #36