var svgMenu = new RadialMenu({
   parent      : document.body,
   size        : 400,
   closeOnClick: true,
   menuItems   : [
     {
       id: 'item1',
       title: 'Item 1'
     },
     {
       id: 'item2',
       title: 'Item 2'
     },
     {
       id: 'more',
       title: 'More...',
       items: [
         {
           id: 'subitem1',
           title: 'Subitem 1'
         },
         {
           id: 'item2',
           title: 'Subitem 2'
         }
       ]
     }
   ],
   onClick: function (item) {
     console.log('You have clicked:', item);
   }
});

 var openMenu = document.getElementById('menu');
 openMenu.onclick = function () {
   svgMenu.open();
 };

 var closeMenu = document.getElementById('close');
 openMenu.onclick = function () {
   svgMenu.close();
 };