Sparklines

This weeks build includes the following:

1. Moved flot chart out of Marker info window and into greybox for improved UI.
2. Corrected loading image bug
3. Corrected hidden markers reappearing when new query submitted bug
4. Corrected date range selection bug
5. Added sparkline graphs per region with ability to change chart type.
6. Improved show/hide on region selections and filter selections
7. Modified ajax request flot calls per changes on server-side for facilities/datasources

Not happy with the way the site is rendering in IE7, but it is an inferior product anyway. When possible, use Mozilla/Webkit..