diff --git a/firmware/data/top.js b/firmware/data/top.js
index 59e8c6e..0aa2a58 100644
--- a/firmware/data/top.js
+++ b/firmware/data/top.js
@@ -1,21 +1,18 @@
-var links = document.querySelectorAll('[id^="tc_on"]');
-links.forEach(function(link) {
-link.addEventListener('click', function(event) {
-event.preventDefault();
+function handleRequest(id, url) {
+var button = document.getElementById(id);
 var xhr = new XMLHttpRequest();
-xhr.open('GET', 'http://{{IP_ADDRESS}}/?tc=true', true);
+xhr.open('GET', url, true);
 xhr.onreadystatechange = function () {
 if (xhr.readyState === 4) {
-var button = document.getElementById("tc_on");
 if (xhr.status === 200) {
 button.classList.remove("pure-button-primary");
 button.classList.add("success");
-button.innerHTML = "Enabled!";
+button.innerHTML = (id === 'tc_on') ? "Enabled!" : "Disabled!";
 button.style.backgroundColor = "green";
 setTimeout(function () {
 button.classList.remove("success");
 button.classList.add("pure-button-primary");
-button.innerHTML = "ON";
+button.innerHTML = (id === 'tc_on') ? "ON" : "OFF";
 button.style.backgroundColor = "";
 }, 2000);
 console.log('Data successfully sent to server!');
@@ -27,7 +24,7 @@ button.style.backgroundColor = "";
 setTimeout(function () {
 button.classList.remove("error");
 button.classList.add("pure-button-primary");
-button.innerHTML = "ON";
+button.innerHTML = (id === 'tc_on') ? "ON" : "OFF";
 button.style.backgroundColor = "";
 }, 2000);
 showToast('Error while sending data to server.', 'error');
@@ -36,52 +33,18 @@ console.log('Error while sending data to server.');
 }
 };
 xhr.send();
-document.getElementById('tc_on').classList.add('pure-button-primary');
-document.getElementById('tc_off').classList.remove('pure-button-primary');
-});
-});
-var links = document.querySelectorAll('[id^="tc_off"]');
-links.forEach(function(link) {
-link.addEventListener('click', function(event) {
+}
+function addButtonClickListener(id, url) {
+var link = document.getElementById(id);
+link.addEventListener('click', function (event) {
 event.preventDefault();
-var xhr = new XMLHttpRequest();
-xhr.open('GET', 'http://{{IP_ADDRESS}}/?tc=false', true);
-xhr.onreadystatechange = function () {
-if (xhr.readyState === 4) {
-var button = document.getElementById("tc_off");
-if (xhr.status === 200) {
-button.classList.remove("pure-button-primary");
-button.classList.add("success");
-button.innerHTML = "Disabled!";
-button.style.backgroundColor = "green";
-setTimeout(function () {
-button.classList.remove("success");
-button.classList.add("pure-button-primary");
-button.innerHTML = "OFF";
-button.style.backgroundColor = "";
-}, 2000);
-console.log('Data successfully sent to server!');
-} else {
-button.classList.remove("pure-button-primary");
-button.classList.add("error");
-button.innerHTML = "Error!";
-button.style.backgroundColor = "red";
-setTimeout(function () {
-button.classList.remove("error");
-button.classList.add("pure-button-primary");
-button.innerHTML = "OFF";
-button.style.backgroundColor = "";
-}, 2000);
-showToast('Error while sending data to server.', 'error');
-console.log('Error while sending data to server.');
-}
-}
-};
-xhr.send();
-document.getElementById('tc_off').classList.add('pure-button-primary');
-document.getElementById('tc_on').classList.remove('pure-button-primary');
-});
+handleRequest(id, url);
+document.getElementById(id).classList.add('pure-button-primary');
+document.getElementById(id === 'tc_on' ? 'tc_off' : 'tc_on').classList.remove('pure-button-primary');
 });
+}
+addButtonClickListener('tc_on', 'http://{{IP_ADDRESS}}/?tc=true');
+addButtonClickListener('tc_off', 'http://{{IP_ADDRESS}}/?tc=false');
 let timeoutId;
 function sendSliderValue(x) {
 x = x - 1;
diff --git a/firmware/html/top.js b/firmware/html/top.js
index b8ed203..3ef1e45 100644
--- a/firmware/html/top.js
+++ b/firmware/html/top.js
@@ -1,93 +1,55 @@
-var links = document.querySelectorAll('[id^="tc_on"]');
-links.forEach(function(link) {
-    link.addEventListener('click', function(event) {
-        event.preventDefault();
-        var xhr = new XMLHttpRequest();
-        xhr.open('GET', 'http://{{IP_ADDRESS}}/?tc=true', true);
+function handleRequest(id, url) {
+    var button = document.getElementById(id);
 
-        xhr.onreadystatechange = function () {
-            if (xhr.readyState === 4) {
-                var button = document.getElementById("tc_on");
-                if (xhr.status === 200) {
-                    button.classList.remove("pure-button-primary");
-                    button.classList.add("success");
-                    button.innerHTML = "Enabled!";
-                    button.style.backgroundColor = "green";
-                    setTimeout(function () {
-                        button.classList.remove("success");
-                        button.classList.add("pure-button-primary");
-                        button.innerHTML = "ON";
-                        button.style.backgroundColor = "";
-                    }, 2000);
-                    console.log('Data successfully sent to server!');
-                } else {
-                    button.classList.remove("pure-button-primary");
-                    button.classList.add("error");
-                    button.innerHTML = "Error!";
+    var xhr = new XMLHttpRequest();
+    xhr.open('GET', url, true);
+
+    xhr.onreadystatechange = function () {
+        if (xhr.readyState === 4) {
+            if (xhr.status === 200) {
+                button.classList.remove("pure-button-primary");
+                button.classList.add("success");
+                button.innerHTML = (id === 'tc_on') ? "Enabled!" : "Disabled!";
+                button.style.backgroundColor = "green";
+                setTimeout(function () {
+                    button.classList.remove("success");
+                    button.classList.add("pure-button-primary");
+                    button.innerHTML = (id === 'tc_on') ? "ON" : "OFF";
                     button.style.backgroundColor = "";
-                    setTimeout(function () {
-                        button.classList.remove("error");
-                        button.classList.add("pure-button-primary");
-                        button.innerHTML = "ON";
-                        button.style.backgroundColor = "";
-                    }, 2000);
-                    showToast('Error while sending data to server.', 'error');
-                    console.log('Error while sending data to server.');
-                }
+                }, 2000);
+                console.log('Data successfully sent to server!');
+            } else {
+                button.classList.remove("pure-button-primary");
+                button.classList.add("error");
+                button.innerHTML = "Error!";
+                button.style.backgroundColor = "";
+                setTimeout(function () {
+                    button.classList.remove("error");
+                    button.classList.add("pure-button-primary");
+                    button.innerHTML = (id === 'tc_on') ? "ON" : "OFF";
+                    button.style.backgroundColor = "";
+                }, 2000);
+                showToast('Error while sending data to server.', 'error');
+                console.log('Error while sending data to server.');
             }
-        };
+        }
+    };
 
-        xhr.send();
-        //console.log('tc=true call');
-        document.getElementById('tc_on').classList.add('pure-button-primary');
-        document.getElementById('tc_off').classList.remove('pure-button-primary');
-    });
-});
-var links = document.querySelectorAll('[id^="tc_off"]');
-links.forEach(function(link) {
-    link.addEventListener('click', function(event) {
+    xhr.send();
+}
+
+function addButtonClickListener(id, url) {
+    var link = document.getElementById(id);
+    link.addEventListener('click', function (event) {
         event.preventDefault();
-        var xhr = new XMLHttpRequest();
-        xhr.open('GET', 'http://{{IP_ADDRESS}}/?tc=false', true);
-
-        xhr.onreadystatechange = function () {
-            if (xhr.readyState === 4) {
-                var button = document.getElementById("tc_off");
-                if (xhr.status === 200) {
-                    button.classList.remove("pure-button-primary");
-                    button.classList.add("success");
-                    button.innerHTML = "Disabled!";
-                    button.style.backgroundColor = "green";
-                    setTimeout(function () {
-                        button.classList.remove("success");
-                        button.classList.add("pure-button-primary");
-                        button.innerHTML = "OFF";
-                        button.style.backgroundColor = "";
-                    }, 2000);
-                    console.log('Data successfully sent to server!');
-                } else {
-                    button.classList.remove("pure-button-primary");
-                    button.classList.add("error");
-                    button.innerHTML = "Error!";
-                    button.style.backgroundColor = "red";
-                    setTimeout(function () {
-                        button.classList.remove("error");
-                        button.classList.add("pure-button-primary");
-                        button.innerHTML = "OFF";
-                        button.style.backgroundColor = "";
-                    }, 2000);
-                    showToast('Error while sending data to server.', 'error');
-                    console.log('Error while sending data to server.');
-                }
-            }
-        };
-
-        xhr.send();
-        //console.log('tc=false call');
-        document.getElementById('tc_off').classList.add('pure-button-primary');
-        document.getElementById('tc_on').classList.remove('pure-button-primary');
+        handleRequest(id, url);
+        document.getElementById(id).classList.add('pure-button-primary');
+        document.getElementById(id === 'tc_on' ? 'tc_off' : 'tc_on').classList.remove('pure-button-primary');
     });
-});
+}
+
+addButtonClickListener('tc_on', 'http://{{IP_ADDRESS}}/?tc=true');
+addButtonClickListener('tc_off', 'http://{{IP_ADDRESS}}/?tc=false');
 
 let timeoutId;
 function sendSliderValue(x) {