* fix setup html (recent version crashed)

maybe the issue was regarding the flower brackets

tools/esp8266/html/setup.html

@@ -151,19 +151,14 @@
             <p class="right"><a href="{IP}/reboot">Reboot</a></p>
         </div>
 
-        <script>
+        <script type="text/javascript">
             var coll = document.getElementsByClassName("s_collapsible");
             var i;
-        
             for (i = 0; i < coll.length; i++) {
                 coll[i].addEventListener("click", function() {
                     this.classList.toggle("active");
                     var content = this.nextElementSibling;
-            if (content.style.display === "block") {
+                    content.style.display = (content.style.display === "block") ? "none" : "block";
-                content.style.display = "none";
-            } else {
-                content.style.display = "block";
-            }
                 });
             }
         </script>