http://cherryonext.googlecode.com/svn/demos/demo/preferenceManager.htm
http://www.sencha.com/forum/showthread.php?6662-An-Ideal-Grid-Filter-for-Large-Databases/page3
http://cherryonext.googlecode.com/svn/demos/demo/preferenceManager.htm
http://www.sencha.com/forum/showthread.php?6662-An-Ideal-Grid-Filter-for-Large-Databases/page3