var MENU_ITEMS = [
   ['+K-Series Bench', './php/products.php?id=k-series', null,
      ['Standard laminate', './php/products.php?id=kstd'],
      ['Static dissipative laminate', './php/products.php?id=kesd'],
      ['Clean Room', './php/products.php?id=kcr'],
      ['Chemical Resistant', './php/products.php?id=krst'],
      ['Clean Room Conductive', './php/products.php?id=kcc'],
      ['Solid Maple Butcher Block', './php/products.php?id=kbb'],
   ],
   ['+D-Series Bench', './php/products.php?id=d-series', null,
      ['Standard laminate', './php/products.php?id=dstd'],
      ['Static dissipative laminate', './php/products.php?id=desd'],
      ['Clean Room', './php/products.php?id=dcr'],
      ['Chemical Resistant', './php/products.php?id=drst'],
      ['Clean Room Conductive', './php/products.php?id=dcc'],
      ['Solid Maple Butcher Block', './php/products.php?id=dbb'],
   ],
   ['+W-Series Bench', './php/products.php?id=w-series', null,
      ['+Standard laminate', './php/products.php?id=wstd', null,
         ['Without shelf', './php/products.php?id=wstd-plain'],
         ['With shelf', './php/products.php?id=wstd-shelf'],
      ],
      ['+Static dissipative laminate', './php/products.php?id=wesd', null,
         ['Without shelf', './php/products.php?id=wesd-plain'],
         ['With shelf', './php/products.php?id=wesd-shelf'],
      ],
      ['+Solid Maple Butcher Block', './php/products.php?id=wbb', null,
         ['Without shelf', './php/products.php?id=wbb-plain'],
         ['With shelf', './php/products.php?id=wbb-shelf'],
      ],
   ],
   ['+Replacement Tops', './php/products.php?id=tops', null,
      ['+Straight edges', './php/products.php?id=straight-top', null,
         ['Standard', './php/products.php?id=std-str-top'],
         ['ESD', './php/products.php?id=straight-esd'],
      ],
      ['+Radius front edge', './php/products.php?id=radius-top', null,
         ['Standard', './php/products.php?id=std-rad-top'],
         ['ESD', './php/products.php?id=radius-esd'],
      ],
   ],
   ['+Bench options', './php/products.php?id=wkb-options', null,
      ['Computer Holder', './php/products.php?id=cpuholder'],
      ['Adjustable legs', './php/products.php?id=adjleg'],
      ['+Drawers', './php/products.php?id=drawer', null,
         ['Normal', './php/products.php?id=drw-normal'],
         ['Wide', './php/products.php?id=drw-wide'],
      ],
      ['+Lights and Frames', './php/products.php?id=lights', null,
         ['+Overhead', './php/products.php?id=over-light', null,
            ['Light Fixture', './php/products.php?id=fluorlight'],
            ['90°  Light Frame', './php/products.php?id=90degframe'],
            ['45° Light Frame', './php/products.php?id=45degframe'],
            ['Cords', './php/products.php?id=lightcord'],
         ],
         ['Undershelf', './php/products.php?id=underlights'],
      ],
      ['+Foot Rests', './php/products.php?id=footrest', null,
         ['Type I fixed', './php/products.php?id=type-1'],
         ['Type II adjustable', './php/products.php?id=type-2'],
      ],
      ['+Uprights', './php/products.php?id=upright', null,
         ['Support tower, Slotted', './php/products.php?id=support'],
         ['Double sided', './php/products.php?id=doublesided'],
      ],
      ['+Shelves', './php/products.php?id=shelves', null,
         ['+Adjustable Top', './php/products.php?id=adjtopgrp', null,
            ['Standard Laminate', './php/products.php?id=adjtop'],
            ['ESD', './php/products.php?id=adjtopesd'],
            ['Butcher Block', './php/products.php?id=adjtopbb'],
         ],
         ['+Freestanding Shelves', './php/products.php?id=Frestandslfgrp', null,
            ['Standard Laminate', './php/products.php?id=freeshelves'],
            ['ESD', './php/products.php?id=Frestndesd'],
            [' Butcher Block', './php/products.php?id=frestdbb'],
         ],
         ['+Bottom shelves', './php/products.php?id=bottomshelves', null,
            ['Standard', './php/products.php?id=bottom-std'],
            ['ESD', './php/products.php?id=bottom-esd'],
            [' Butcher Block', './php/products.php?id=bslfbb'],
         ],
         ['+Pull-out shelves', './php/products.php?id=pullshelves', null,
            ['Standard', './php/products.php?id=pull-std'],
            ['ESD', './php/products.php?id=pull-esd'],
         ],
      ],
      ['+Power strips', './php/products.php?id=plugs', null,
         ['Installed in frame', './php/products.php?id=frameplug'],
         [' Surge Suppressor', './php/products.php?id=indvpwrstrip'],
         ['+Back Mounted', './php/products.php?id=bckmtplgstrp', null,
            ['Back mounted', './php/products.php?id=backplug'],
            ['Upright mounted', './php/products.php?id=uprightplug'],
         ],
      ],
      ['Tool Balancer Frame', './php/products.php?id=Trolleys'],
      ['Casters', './php/products.php?id=wkb-casters'],
      ['Edge rails', './php/products.php?id=edgerails'],
      ['Bin box rails', './php/products.php?id=binbox'],
      ['+Articulating Options', './php/products.php?id=art-options', null,
         ['Articulating shelves', './php/products.php?id=artshelf'],
         ['Document Holders', './php/products.php?id=artdoc'],
         ['Monitor Holders', './php/products.php?id=artlcd'],
      ],
      ['Utility brackets', './php/products.php?id=brackets'],
      ['+Cabinets', './php/products.php?id=all-cabinets', null,
         ['Top Hinged Door Cabinets', './php/products.php?id=tophinged'],
         ['Top Sliding Door Cabinets', './php/products.php?id=topsliding'],
         ['Under Drawer Cabinets', './php/products.php?id=cabinets'],
      ],
      ['Vertical dividers', './php/products.php?id=vert-div'],
      ['Roll holders', './php/products.php?id=rollhold'],
      ['+Wire Management', './php/products.php?id=wiremng', null,
         ['Wire management', './php/products.php?id=wire-mgt'],
         ['Grommet', './php/products.php?id=grmmt'],
      ],
   ],
];