FWIW, my workaround is:

function MassageTable(dataTable,ColumnIDMap) {
        var dateCol = ColumnIDMap['timebin']; // your date column id should
be defined here
        for (var i=0;i<dataTable.getNumberOfRows();i++) {
                dateVal = dataTable.getValue(i,dateCol);
                //      If it's already a date, do nothing
                if (dateVal instanceof Date) {continue;}
                evalStr = 'new ' + dateVal;
                newDate = eval(evalStr);
                dataTable.setValue(i,dateCol,newDate);
        }
        return dataTable;
}




On Jun 2, 2:53 pm, NA <[email protected]> wrote:
> Hi,
>
> I get the error below when using datetimes.  Any idea what causes
> this?
>
>   Uncaught Error: Type mismatch. Value Date(2011,5,1,14,0,0) does not
> match type datetime in column index 0
>
> This should be a valid datetime.  In fact, I have been using Date
> objects like this and haven't seen this error before.  It only happens
> when my script for producing charts is called from within another
> website.  When the script is called directly, there is no error.
>
> Any ideas?

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