Added shared javascript to a header-file

1 files changed, 45 insertions, 0 deletions

diff --git a/webPage/script.js b/webPage/script.js
new file mode 100644
index 0000000..8de1803
--- /dev/null
+++ b/webPage/script.js
@@ -0,0 +1,45 @@
+function fixNoNetwork() {
+    if (getParameterByName("l") != null) {
+        document.getElementById("homePageAddr").href = "/?l=1";
+        document.getElementById("settingsPageAddr").href = "/settings?l=1";
+        return;
+    }
+
+    try {
+        var xhttp = new XMLHttpRequest();
+        xhttp.onerror = function onError(e) {
+            //alert("Error " + e.target.status + " occurred while receiving the document.");
+            var hrefAddr = window.location.href + "?l=1";
+            window.location.replace(hrefAddr);
+        };
+        xhttp.open("GET", "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css", true);
+        xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+        xhttp.send();
+    } catch (e) {
+        console.log(e);
+    }
+}
+
+function ajax_request(adress, callback_function) {
+    /* A simple ajax request wrapper
+       Doesn´t return anything else than the callback */
+    var xhttp = new XMLHttpRequest();
+    xhttp.onreadystatechange = function() {
+        if (this.readyState == 4 && this.status == 200) {
+            callback_function(this.responseText);
+        }
+    };
+    xhttp.open("POST", adress, true);
+    xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+    xhttp.send();
+}
+
+function getParameterByName(name, url) {
+    if (!url) url = window.location.href;
+    name = name.replace(/[\[\]]/g, "\\$&");
+    var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
+        results = regex.exec(url);
+    if (!results) return null;
+    if (!results[2]) return '';
+    return decodeURIComponent(results[2].replace(/\+/g, " "));
+}