jQuery Grid Plugin - jqGrid

Hi Everyone,

I'm hoping someone has a solution to this problem (i've searched the forrum and can't find a solution there).

In my grid, i have some currency columns defined as ...

{ name: 'Rate', index: '4', editable: true, edittype: 'text', search: false,
                        editrules: { edithidden: true, number: true }, formatter: 'currency', align: 'right',
                        formatoptions: { decimalSeparator: ".", thousandsSeparator: " ", decimalPlaces: 2, defaultValue: "", prefix: "£" },
                        hidden: false, hidedlg: true, width: widthItemAddToJobRate
                    },

... to prefix the currency with a british pound symbol, rather than the $ symbol.

The grid displays fine (the british pound is displayed).  However, in inline edit when I try to save a value such as £150.00 i get an error message as follows ...

£150.00 Rate: Please, enter valid number

... is there any solution to this problem, or do I need to forget about using the 'currency' formatter with the british pound?

Thanks,

Michael