function startSearch() {
              var searchTerms = $('#search-input').prop("value");
              if (searchTerms) {
                quickSearch[0].contentWindow.postMessage({
                  "searchTerms": searchTerms,
                  "msgid": "docstrap.quicksearch.start"
                }, "*");
              }
            }
This method creates the quick text search entry in navigation menu and wires all required events.