function handleOnChange_vehicle_type(doWhatCode, callingObject)
	{
		//If a user has chosen the please select... option then don't do anything
		if (callingObject.value == 0)
		{
			alert("Please choose an option form the list.");
		}
		else
		{
			document.frmStockCentral.doWhat.value = doWhatCode;
			document.frmStockCentral.submit();
		}
	}