jsp cascading drop-down menu, sub-3 Dynamic drop-down box. Page without refresh

db-derby-10.3.3.0-bin
.....................\bin
.....................\...\dblook
.....................\...\dblook.bat
.....................\...\derby_common.bat
.....................\...\derby_common.sh
.....................\...\ij
.....................\...\ij.bat
.....................\...\NetworkServerControl
.....................\...\NetworkServerControl.bat
.....................\...\setEmbeddedCP
.....................\...\setEmbeddedCP.bat
.....................\...\setNetworkClientCP
.....................\...\setNetworkClientCP.bat
.....................\...\setNetworkServerCP
.....................\...\setNetworkServerCP.bat
.....................\...\startNetworkServer
.....................\...\startNetworkServer.bat
.....................\...\stopNetworkServer
.....................\...\stopNetworkServer.bat
.....................\...\sysinfo
.....................\...\sysinfo.bat
.....................\CHANGES.html
.....................\demo
.....................\....\databases
.....................\....\.........\toursdb
.....................\....\.........\.......\log
.....................\....\.........\.......\...\log.ctrl
.....................\....\.........\.......\...\log1.dat
.....................\....\.........\.......\...\logmirror.ctrl
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