Template:Navbox

<script> let collapsed = true; function expand() {

    if (collapsed) {
         document.getElementById("collapsed-head").style.display = "none";
         document.getElementById("expanded-head").style.display = "block";
    }
    else {
         document.getElementById("collapsed-head").style.display = "block";
         document.getElementById("expanded-head").style.display = "none";
    }

}

expand(); </script>