Index: sites/all/modules/node_edit_protection/node-edit-protection.js
===================================================================
--- sites/all/modules/node_edit_protection/node-edit-protection.js
+++ sites/all/modules/node_edit_protection/node-edit-protection.js
@@ -6,36 +6,42 @@
 Drupal.behaviors.nodeEditProtection = function(context) {
 
-  // If they leave an input field, assume they changed it.
-  $(".node-form :input").each(function() {
-    $(this).blur(function() {
-      $(window).attr('node_edit_protection_edited', true);
+  // To function does not call again.
+  if ( Drupal.behaviors.nodeEditProtection.initState === undefined ) {
+
+    Drupal.behaviors.nodeEditProtection.initState = true;
+
+    // If they leave an input field, assume they changed it.
+    $(".node-form :input").each(function() {
+      $(this).blur(function() {
+        $(window).attr('node_edit_protection_edited', true);
+      });
     });
-  });
 
-  // Let all form submit buttons through
-  $(".node-form input[type='submit']").each(function() {
-    $(this).addClass('node-edit-protection-processed');
-    $(this).click(function() {
-      $(window).attr('node_edit_protection_clicked', true);
+    // Let all form submit buttons through
+    $(".node-form input[type='submit']").each(function() {
+      $(this).addClass('node-edit-protection-processed');
+      $(this).click(function() {
+        $(window).attr('node_edit_protection_clicked', true);
+      });
     });
-  });
 
-  // Catch all links and buttons
-  $("a, button, input[type='submit']:not(.node-edit-protection-processed)").each(function() {
-    $(this).click(function() {
-      var edited = $(window).attr('node_edit_protection_edited');
-      if(edited) {
-        $(window).attr('node_edit_protection_clicked', true);
+    // Catch all links and buttons
+    $("a, button, input[type='submit']:not(.node-edit-protection-processed)").each(function() {
+      $(this).click(function() {
+        var edited = $(window).attr('node_edit_protection_edited');
+        if(edited) {
+          $(window).attr('node_edit_protection_clicked', true);
+          return Drupal.node_edit_protection.confirmNavigate();
+        }
+      });
+    });
+
+    $(window).unload(function() {
+      var clicked = $(this).attr('node_edit_protection_clicked');
+      var edited = $(this).attr('node_edit_protection_edited');
+      if(edited && !clicked) {
         return Drupal.node_edit_protection.confirmNavigate();
       }
     });
-  });
-
-  $(window).unload(function() {
-    var clicked = $(this).attr('node_edit_protection_clicked');
-    var edited = $(this).attr('node_edit_protection_edited');
-    if(edited && !clicked) {
-      return Drupal.node_edit_protection.confirmNavigate();
-    }
-  });
+  }
 };