Project : Solar-B Name : widget_valid Purpose : check if variable is a valid widget id Category : utility widgets Syntax : IDL> s=widget_valid(id) Inputs : ID = id to check Outputs : 1/0 if it is or isn't Keywords : None History : 12-Jan-2006, Zarro (L-3Com/GSFC) - written Contact : DZARRO@SOLAR.STANFORD.EDU