added separate stylesheet and moved common js to a file.

sd-card/html/common.js

@@ -0,0 +1,31 @@
+ 
+var basepath = "http://192.168.178.22";
+        
+function LoadHostname() {
+    _basepath = getbasepath(); 
+
+
+    var xhttp = new XMLHttpRequest();
+    xhttp.addEventListener('load', function(event) {
+        if (xhttp.status >= 200 && xhttp.status < 300) {
+            hostname = xhttp.responseText;
+                document.title = hostname + " - jomjol - AI on the edge";
+                document.getElementById("id_title").innerHTML  = "Digitizer - AI on the edge - " + hostname;
+        } 
+        else {
+                console.warn(request.statusText, request.responseText);
+        }
+    });
+
+//     var xhttp = new XMLHttpRequest();
+    try {
+            url = _basepath + '/version?type=Hostname';     
+            xhttp.open("GET", url, true);
+            xhttp.send();
+
+    }
+    catch (error)
+    {
+//               alert("Loading Hostname failed");
+    }
+}