jQuery Grid Plugin - jqGrid

 I need AND || OR in the same search.

So what would be sent as filters would be:

filters = 
    {"groupOp":"AND",
     "rules":[
       {"field":"invdate","op":"ge","data":"2007-10-06"},
       {"field":"invdate","op":"le","data":"2007-10-20"}, 
      ]
    }
    {"groupOp":"OR",
     "rules":[
       {"field":"field1","op":"contains","data":"de"},
       {"field":"field2","op":"contains","data":"de"}, 
      ]
    }

This is what is wanted as a possible search. Is this possible? I actually thought the "+" next to the "Match ~ Rules was to add different groupings to the search but all it seems to do is add another field. I can only ever seem to run searches on either AND, or OR, but not both. Thanks, Johan