     for (let i=0;i < vars.length;i++) {
            let pair = vars[i].split("=");
            if(pair[0] === variable){
              return pair[1];
            }
          }
          return undefined;
        }
    </script>
</head>
<body>
    <header th:fragment="pageHeader">
        <nav class="navbar navbar-light" style="background-color: #e3f2fd;">
            <div class="container-fluid">
                <div class="navbar-header">
                    <a class="navbar-brand" href="#">Appactive Dem