diff --git a/js/gui.js b/js/gui.js
index bf7c142b..21ecbb66 100644
--- a/js/gui.js
+++ b/js/gui.js
@@ -237,5 +237,35 @@ GUI_control.prototype.tab_switch_cleanup = function (callback) {
     }
 };
 
+GUI_control.prototype.content_ready = function (callback) {
+    $('.togglesmall').each(function(index, html) {
+        var switchery = new Switchery(html,
+        {
+          size: 'small',
+          color: '#59aa29', 
+          secondaryColor: '#c4c4c4' 
+        });
+        
+        $(html).removeClass('togglesmall');
+    });
+
+    $('.toggle').each(function(index, html) {
+        var switchery = new Switchery(html,
+        {
+            color: '#59aa29', 
+            secondaryColor: '#c4c4c4' 
+        });
+        
+        $(html).removeClass('toggle');
+    });
+    
+    // Build link to in-use CF version documentation
+    var documentationButton = $('div#content #button-documentation');
+    documentationButton.html("Documentation for "+CONFIG.flightControllerVersion);
+    documentationButton.attr("href","https://github.com/cleanflight/cleanflight/tree/v{0}/docs".format(CONFIG.flightControllerVersion));
+    
+    if (callback) callback();
+}
+
 // initialize object into GUI variable
 var GUI = new GUI_control();
diff --git a/main.js b/main.js
index c91dd86a..a1181f49 100644
--- a/main.js
+++ b/main.js
@@ -101,32 +101,6 @@ $(document).ready(function () {
 
                 function content_ready() {
                     GUI.tab_switch_in_progress = false;
-                    
-                    $('.togglesmall').each(function(index, html) {
-                        var switchery = new Switchery(html,
-                        {
-                          size: 'small',
-                          color: '#59aa29', 
-                          secondaryColor: '#c4c4c4' 
-                        });
-                        
-                        $(html).removeClass('togglesmall');
-                    });
-
-                    $('.toggle').each(function(index, html) {
-                        var switchery = new Switchery(html,
-                        {
-                            color: '#59aa29', 
-                            secondaryColor: '#c4c4c4' 
-                        });
-                        
-                        $(html).removeClass('toggle');
-                    });
-                    
-                    // Build link to in-use CF version documentation
-                    var documentationButton = $('div#content #button-documentation');
-                    documentationButton.html("Documentation for "+CONFIG.flightControllerVersion);
-                    documentationButton.attr("href","https://github.com/cleanflight/cleanflight/tree/v{0}/docs".format(CONFIG.flightControllerVersion));
                 }
 
                 switch (tab) {
diff --git a/tabs/adjustments.js b/tabs/adjustments.js
index 6a934751..4182055f 100644
--- a/tabs/adjustments.js
+++ b/tabs/adjustments.js
@@ -277,7 +277,7 @@ TABS.adjustments.initialize = function (callback) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/auxiliary.js b/tabs/auxiliary.js
index 42568ed2..33641154 100644
--- a/tabs/auxiliary.js
+++ b/tabs/auxiliary.js
@@ -283,7 +283,7 @@ TABS.auxiliary.initialize = function (callback) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/cli.js b/tabs/cli.js
index 8b2c77e3..6e5708d2 100644
--- a/tabs/cli.js
+++ b/tabs/cli.js
@@ -62,7 +62,7 @@ TABS.cli.initialize = function (callback) {
         // give input element user focus
         textarea.focus();
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     });
 };
 
diff --git a/tabs/configuration.js b/tabs/configuration.js
index 3c481afb..83f2bc8a 100644
--- a/tabs/configuration.js
+++ b/tabs/configuration.js
@@ -469,7 +469,7 @@ TABS.configuration.initialize = function (callback, scrollPosition) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/dataflash.js b/tabs/dataflash.js
index 3576c658..60e9214e 100644
--- a/tabs/dataflash.js
+++ b/tabs/dataflash.js
@@ -113,7 +113,7 @@ TABS.dataflash.initialize = function (callback) {
         }
 
         
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
     
     // IO related methods
diff --git a/tabs/firmware_flasher.js b/tabs/firmware_flasher.js
index 156b6784..8922c145 100755
--- a/tabs/firmware_flasher.js
+++ b/tabs/firmware_flasher.js
@@ -516,7 +516,7 @@ TABS.firmware_flasher.initialize = function (callback) {
             }
         });
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     });
 };
 
diff --git a/tabs/gps.js b/tabs/gps.js
index 251c88a8..b6657f61 100644
--- a/tabs/gps.js
+++ b/tabs/gps.js
@@ -71,7 +71,7 @@ TABS.gps.initialize = function (callback) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/help.js b/tabs/help.js
index 53236897..6c499d79 100644
--- a/tabs/help.js
+++ b/tabs/help.js
@@ -12,7 +12,7 @@ TABS.help.initialize = function (callback) {
     $('#content').load("./tabs/help.html", function () {
         localize();
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     });
 };
 
diff --git a/tabs/landing.js b/tabs/landing.js
index b350d0f1..8f12f93e 100644
--- a/tabs/landing.js
+++ b/tabs/landing.js
@@ -45,7 +45,7 @@ $("#changelog_button").on('click', function() {
 
 
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     });
 };
 
diff --git a/tabs/led_strip.js b/tabs/led_strip.js
index 16d65345..aa87bda9 100644
--- a/tabs/led_strip.js
+++ b/tabs/led_strip.js
@@ -288,7 +288,7 @@ TABS.led_strip.initialize = function (callback, scrollPosition) {
 
         });
         
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
     
     function findLed(x, y) {
diff --git a/tabs/logging.js b/tabs/logging.js
index 62b71fee..1a28e60b 100644
--- a/tabs/logging.js
+++ b/tabs/logging.js
@@ -110,7 +110,7 @@ TABS.logging.initialize = function (callback) {
             }
         });
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 
     function print_head() {
diff --git a/tabs/modes.js b/tabs/modes.js
index a9a428f2..ce57b792 100644
--- a/tabs/modes.js
+++ b/tabs/modes.js
@@ -149,7 +149,7 @@ TABS.modes.initialize = function (callback) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/motors.js b/tabs/motors.js
index d3a118c7..74c99079 100644
--- a/tabs/motors.js
+++ b/tabs/motors.js
@@ -450,7 +450,7 @@ TABS.motors.initialize = function (callback) {
         // enable Status and Motor data pulling
         GUI.interval_add('motor_and_status_pull', get_status, 50, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/pid_tuning.js b/tabs/pid_tuning.js
index 8743c87b..5eb93025 100755
--- a/tabs/pid_tuning.js
+++ b/tabs/pid_tuning.js
@@ -402,9 +402,7 @@ TABS.pid_tuning.initialize = function (callback) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) {
-            callback();
-        }
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/ports.js b/tabs/ports.js
index 2463f3de..9031375a 100644
--- a/tabs/ports.js
+++ b/tabs/ports.js
@@ -208,7 +208,7 @@ TABS.ports.initialize = function (callback, scrollPosition) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 
    function on_save_handler() {
diff --git a/tabs/receiver.js b/tabs/receiver.js
index 7dff28d6..35a7cac4 100644
--- a/tabs/receiver.js
+++ b/tabs/receiver.js
@@ -458,7 +458,7 @@ TABS.receiver.initialize = function (callback) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/sensors.js b/tabs/sensors.js
index 6ebcaea0..389dbc43 100644
--- a/tabs/sensors.js
+++ b/tabs/sensors.js
@@ -448,7 +448,7 @@ TABS.sensors.initialize = function (callback) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     });
 };
 
diff --git a/tabs/servos.js b/tabs/servos.js
index 655e79d3..6f269165 100755
--- a/tabs/servos.js
+++ b/tabs/servos.js
@@ -192,7 +192,7 @@ TABS.servos.initialize = function (callback) {
             MSP.send_message(MSP_codes.MSP_STATUS);
         }, 250, true);
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };
 
diff --git a/tabs/setup.js b/tabs/setup.js
index 9a9244d6..2868454f 100755
--- a/tabs/setup.js
+++ b/tabs/setup.js
@@ -193,7 +193,7 @@ TABS.setup.initialize = function (callback) {
         GUI.interval_add('setup_data_pull_fast', get_fast_data, 33, true); // 30 fps
         GUI.interval_add('setup_data_pull_slow', get_slow_data, 250, true); // 4 fps
 
-        if (callback) callback();
+        GUI.content_ready(callback);
     }
 };