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/*	================================================================================
	countNumberOfGridRows()	returns the sequence number of the last data row for the
							specified grid.  The arguments are the grid id and name
							of a bound field associated with a widget in that grid.
*/
wob.countNumberOfGridRows = function(gridId, boundFieldName)
{
	var fld, seqno = 0, mygrid = getObj(gridId).grid;	// get reference to grid object
	if (mygrid)								// if grid exists
	{
		while (fld = mygrid.getDataValue(seqno + 1, boundFieldName)) // loop on grid rows
		{
			++seqno;							// increment row number
		}
	}
	return seqno;							// return last sequence no. to caller
}