Flash chart  2d line

I have a chart with like ten series and i would like to display the serie name when you mouse over one point.
In chart attributes, in the custom XML there's this line
<text><![CDATA[{NAME}, {VALUE}]]></text>
in the resulting XML file the data is something like this
<data>
<block name="Serie1" color="0x005381" border_color="0x005381">
<set name="2003" value="0.89772" color="0x005381"/>
<set name="2004" value="0.73863" color="0x005381"/>
<set name="2005" value="0.76136" color="0x005381"/>
<set name="2006" value="0.85227" color="0x005381"/>
<set name="2007" value="0.71590" color="0x005381"/>
</block>
<block>
</block>
</data>
so I was wondering if there was a way to reference the block name in the CDATA tag or any other way to display the serie name in the mouse over
Thanks
Max

Hi Andy,
Thanks for your quick response. If I'm correct in understanding what your saying is that with 2D Line charts that have two series in order for them to display togethor then the label must appear in both series.
I've had a bash using your sql for the 1st series and modifying the second series.
Series 1
SELECT NULL LINK,
X.THE_DATE LABEL,
Y.PROJECTED_HOURS VALUE
FROM
(SELECT END_DATE THE_DATE FROM TEST_PROJECTED
UNION
SELECT LIFING_DATE THE_DATE FROM TEST_ACTUAL
) X
LEFT OUTER JOIN TEST_PROJECTED Y ON X.THE_DATE = Y.END_DATE
ORDER BY X.THE_DATE
07/30/2009 700
08/09/2009 800
08/14/2009
08/27/2009 9000
Series 2
SELECT NULL LINK,
X.THE_DATE LABEL,
Y.ACTUAL_HOURS VALUE
FROM
(SELECT END_DATE THE_DATE FROM TEST_PROJECTED
UNION
SELECT LIFING_DATE THE_DATE FROM TEST_ACTUAL
) X
LEFT OUTER JOIN TEST_ACTUAL Y ON X.THE_DATE = Y.LIFING_DATE
ORDER BY X.THE_DATE
07/30/2009 800
08/09/2009 1000
08/14/2009 1201
08/27/2009 12000
This is a great improvement the series 2 now displays fine and all the points for series 1 are plotted correctly but it seems like the null value prevents the joining of the coordinates in this series. All the points 700,800 and 9000 are displayed correctly but the graph line only joins 700 and 800.
Any further ideas? Thanks Pete

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                             <alphas>
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                                  <alpha>100</alpha>
                                  <alpha>100</alpha>
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                        <background enabled="yes" type="solid" color="0xCCFF99"/>
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                   <x_axis name="Region" smart="yes" position="left_center">
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                   <y_axis name="Booking Amount (kUSD)" smart="yes" position="center_bottom">
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                   <grid>
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