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<P><FONT SIZE=2 FACE="Arial">Newbie question... I would like to add a drop down menu with many choices of data layers to display. I would like the user to have the option of choosing none, a combination, or all layers, and keeping them 'on' through re-draws until toggled 'off' from the same drop down menu. Any suggestions how to go about this? </FONT></P>
<P><FONT SIZE=2 FACE="Arial">Thank you in advance. </FONT>
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<P><FONT SIZE=2 FACE="Arial">Steven </FONT>
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