Basic implementation event signup

assets/ajax.js

@@ -0,0 +1,26 @@
+function kompass_generate_ajax_url(module, ajaxmethode, params) {
+    return ajaxurl + '?action=kompass_show_ajax&module=' + module + '&method=' + ajaxmethode + '&' + params;
+}
+function kompass_load_ajax_nw(module, ajaxmethode, params='') {
+    ajaxurl = kompass_generate_ajax_url(module, ajaxmethode, params);
+    window.open(ajaxurl);
+}
+
+function kompass_load_ajax_div(module, ajaxmethode, targetid, params = '') {
+    var xhr = new XMLHttpRequest();
+    xhr.onreadystatechange = function() {
+        if (xhr.readyState === XMLHttpRequest.DONE) {
+            if (xhr.status === 200) {
+                // Erfolgreiche Antwort erhalten
+                document.getElementById(targetid).innerHTML = xhr.responseText;
+            } else {
+                console.log(xhr);
+                // Fehlerbehandlung
+                //console.error('Fehler beim Laden der Inhalte');
+            }
+        }
+    };
+    var scriptcall = kompass_generate_ajax_url(module, ajaxmethode, params);
+    xhr.open('GET', scriptcall,true);
+    xhr.send();
+}