var hide_empty_list=true;

addListGroup("device", "prod_device");

addList("prod_device", "Choose a Device", "", "prod_devicer", 1);
addList("prod_device", "Analog Sidescan Sonars", "Analog Sidescan Sonars", "Analog Sidescan Sonars");
addList("prod_device", "Digital Sidescan Sonars", "Digital Sidescan Sonars", "Digital Sidescan Sonars");
addList("prod_device", "Interferometric Sidescans", "Interferometric Sidescans", "Interferometric Sidescans");
addList("prod_device", "Multibeam Sonars", "Multibeam Sonars", "Multibeam Sonars");
addList("prod_device", "Non-Acoustic Systems", "Non-Acoustic Systems", "Non-Acoustic Systems");
addList("prod_device", "Magnetometers", "Magnetometers", "Magnetometers");
addList("prod_device", "Synthetic Aperture Sonar", "Synthetic Aperture Sonar", "Synthetic Aperture Sonar");
addList("prod_device", "Seafloor Classification Sensors", "Seafloor Classification Sensors", "Seafloor Classification Sensors");
addList("prod_device", "Single Beam Echosounders", "Single Beam Echosounders", "Single Beam Echosounders");
addList("prod_device", "Sector Scan Sonars", "Sector Scan Sonars", "Sector Scan Sonars");

addList("prod_devicer", "- - - - - - - - - - - - ", "");

addList("Analog Sidescan Sonars", "Select Model", "", 1);
addList("Analog Sidescan Sonars", "C-MAX");
addList("Analog Sidescan Sonars", "GeoAcoustics");
addList("Analog Sidescan Sonars", "Klein 595");
addList("Analog Sidescan Sonars", "Klein 2000 ");
addList("Analog Sidescan Sonars", "EG&G 260/272");
addList("Analog Sidescan Sonars", "UEOS Widescan II");
addList("Analog Sidescan Sonars", "Wesmar");

addList("Digital Sidescan Sonars", "Select Model", "", 1);
addList("Digital Sidescan Sonars", "C-MAX CM2");
addList("Digital Sidescan Sonars", "Datasonics SIS1000");
addList("Digital Sidescan Sonars", "Datasonics SIS1500/02");
addList("Digital Sidescan Sonars", "Datasonics SIS-3000");
addList("Digital Sidescan Sonars", "Edgetech 272-ACI");
addList("Digital Sidescan Sonars", "Edgetech DF-1000");
addList("Digital Sidescan Sonars", "Edgetech 4200/4300");
addList("Digital Sidescan Sonars", "EdgeTech FS-AU");
addList("Digital Sidescan Sonars", "EDO");
addList("Digital Sidescan Sonars", "GLORIA");
addList("Digital Sidescan Sonars", "Imagenex SportScan/YellowFin");
addList("Digital Sidescan Sonars", "Klein 2000");
addList("Digital Sidescan Sonars", "Klein 3000/5000");
addList("Digital Sidescan Sonars", "MSTL Sea Scan");
addList("Digital Sidescan Sonars", "S-150");
addList("Digital Sidescan Sonars", "Teledyne Benthos SIS 1600");
addList("Digital Sidescan Sonars", "TOBI");
addList("Digital Sidescan Sonars", "Tritech SeaKing");

addList("Interferometric Sidescans", "Select Model", "", 1);
addList("Interferometric Sidescans", "AMS systems");
addList("Interferometric Sidescans", "DSL-120");
addList("Interferometric Sidescans", "RDI: BSSS");
addList("Interferometric Sidescans", "SeaMARC II, SeaMARC CL");
addList("Interferometric Sidescans", "SSI SYS09/SYS120");
addList("Interferometric Sidescans", "TAMU-TAMU");
addList("Interferometric Sidescans", "Teledyne Benthos C3D");
addList("Interferometric Sidescans", "UEOS Deepscan");

addList("Multibeam Sonars", "Select Model", "", 1);
addList("Multibeam Sonars", "Odom Echoscan");
addList("Multibeam Sonars", "Reson SeaBat: 9001/81XX");
addList("Multibeam Sonars", "Simrad EM12/EM950");
addList("Multibeam Sonars", "Simrad EM300/1000/3000");
addList("Multibeam Sonars", "SeaBeam 2112");
addList("Multibeam Sonars", "Atlas Fansweep");
addList("Multibeam Sonars", "Atlas Hydrosweep");

addList("Non-Acoustic Systems", "Select Model", "", 1);
addList("Non-Acoustic Systems", "Raytheon LS-4096 Laser Line Scan");
addList("Non-Acoustic Systems", "SAIC SM2000 Laser Line Scan");
addList("Non-Acoustic Systems", "Arete Streak Lidar");
addList("Non-Acoustic Systems", "Princeton Instruments ESC");

addList("Magnetometers", "Select Model", "", 1);
addList("Magnetometers", "Marine Magnetics SeaSPY");
addList("Magnetometers", "Geometrics 882");

addList("Synthetic Aperture Sonar", "Select Model", "", 1);
addList("Synthetic Aperture Sonar", "DTIs PROSAS");
addList("Synthetic Aperture Sonar", "EdgeTech 4400");

addList("Seafloor Classification Sensors", "Select Model", "", 1);
addList("Seafloor Classification Sensors", "ECHOplus");
addList("Seafloor Classification Sensors", "RoxAnn");

addList("Single Beam Echosounders", "Select Model", "", 1);
addList("Single Beam Echosounders", "Innerspace");
addList("Single Beam Echosounders", "Knudsen 320");
addList("Single Beam Echosounders", "Odom Echotrac");
addList("Single Beam Echosounders", "Simrad EA500"); 
addList("Single Beam Echosounders", "Atlas DESO"); 

addList("Sector Scan Sonars", "Select Model", "", 1);
addList("Sector Scan Sonars", "Imagenex 852");
addList("Sector Scan Sonars", "Sonavision Mercury");
addList("Sector Scan Sonars", "Tritech Micron");