added basic starter ajax link algorythme, added overlayScrollbar js lib, cleaned template

sites/all/themes/custom/edlptheme/assets/scripts/main.js

@@ -6,9 +6,35 @@
 
     function init(){
       console.log("EdlpTheme init()");
-      
+      initScrollbars();
+      initAjaxLinks();
     };
 
+    function initScrollbars(){
+      $('.os-scroll').overlayScrollbars({
+        overflowBehavior:{x:'h',y:'scroll'}
+      });
+    };
+
+    function  initAjaxLinks(){
+      console.log('initAjaxLinks');
+      $('a', '#block-mainnavigation').on('click', onClickAjaxLink);
+    };
+
+    function onClickAjaxLink(e){
+      e.preventDefault();
+      // TODO: drupal settings not defined on NOT front page
+      var path = window.location.origin + drupalSettings.basepath + $(this).attr('data-drupal-link-system-path')+'/ajax';
+      $.getJSON(path, {}, onAjaxLinkLoaded);
+
+      return false;
+    };
+
+    function onAjaxLinkLoaded(data){
+      console.log('ajax link loaded : data', data);
+      $('main[role="main"] .layout-content').html(data.rendered);
+      initScrollbars();
+    };
 
     init();
   }