var TREE_ITEMS = [
	['<b>Home</b>', 'index.htm',{'tt' : 'Sea-Floor Mapping Home', 'sb':'Sea Floor Mapping Home'},
		['Our Group', 'group.htm'],
		['Outreach', 'outreach.htm',0,
		 	['At Sea', 'atsea.htm',0,
			 	['Sidescan Sonar', 'atss.htm'],
			 	['Bathymetry', 'atsm.htm'],
			 	['Seismic', 'atseismic.htm'],
			 	['SEABOSS', 'atseaboss.htm'],
			 	['IRIS', 'atiris.htm'],
			 	['ROV', 'atrov.htm'],
			 	['Shipboard Labs', 'atship_lab.htm'],
			 	['Shipboard Processing', 'atproc_sea.htm'],
	],
			['In the Lab', 'atlab.htm',0,
			 	['Sidescan Sonar', 'atssdata.htm'],
			 	['Bathymetry', 'atbathydata.htm'],
			 	['Seismic', 'atseismicdata.htm'],
			 	['Samples', 'atsamples.htm'],
			 	['Photography', 'atvideodata.htm'],
			 	['Visualizations', 'atvisual.htm'],
			 	['Archive', 'atarchive.htm'],
			],
		],
		['<font class=head>Sea-floor Mapping</font>', 'seafloor.htm',{'tt' : 'Sea Floor Mapping', 'sb':'Sea Floor Mapping','st': 1 },
			['History of Sound in the Ocean', 'soundhist.htm'],
			['Seismic','seismic.htm',0,
				['History','seismichist.htm'],
				['Equipment','equipment.htm',0,
					['Watergun','watergun.htm'],
					['Airgun','airgun.htm'],
					['Sparker','sparker.htm'],			
					['Boomer','boomer.htm'],			
					['Chirp','chirp.htm'],					
					['Power Supplies','power.htm'],			
					['Hydrophone receivers','hydrophone.htm'],			
				],
				['Processing','processing.htm',0,
					['Seismic Software','seissoftware.htm'],
				],
				['Interpretation','seis_interp.htm'],			
			],
			['Sidescan Sonar','sonar.htm',0,
				['History','sonarhist.htm'],
				['Equipment','sonar_equip.htm'],
				['Processing','sonar_proc.htm',0,
					['Sidescan Sonar <br>Software','sonarsoftware.htm'],
				],
				['Interpretation','sonar_interp.htm'],			
			],
			['Bathymetry','bathy.htm',0,
				['History','bathyhist.htm'],
				['Equipment','bathy_equip.htm',0,
					['Single Beam','singlebeam.htm',0],
					['Swath','swath.htm'],
					['Sound Velocity Profiler','svp.htm'],
				],
				['Processing','bathy_processing.htm',0,
					['Bathy Software','bathy_software.htm'],
				],
				['Interpretation','bathy_interp.htm'],			
			],
			['Navigation','navigation.htm',0,
				['History','navigationhist.htm'],
				['Equipment','nav_equip.htm'],
			],
			['Ground-Truth','groundtruth.htm',0,
				['History','groundhist.htm'],
				['Equipment','ground_equip.htm',0,
					['SEABOSS','seaboss.htm'],
					['Samplers and Corers','samplers.htm'],
					['ROV','rov.htm'],
				],
			],
			['IRIS','iris.htm'],
			['Data Integration','integration.htm'],
			['Shipboard Setup','shipsetup.htm'],
			['Research Vessel','rafaelspecs.htm'],
		],
		['<font class=head>Data Archival</font>','sarchival.htm'],			
		['<font class=head>Data Format Library</font>', 'format.htm',0,
			['QMIPS','qmips.htm'],
			['XTF','sonar_xtf.htm'],
			['SEG-Y','segy.htm'],
			['GPS','gps.htm'],
		],
		['<font class=head>Mapping Surveys</font>', 'surveys.htm'],

		['<font class=head>Staff</font>', 'staff.htm'],
		['<font class=head>Links</font>', 'ref.htm'],
	]
];