diff --git a/public/js/ff/transactions/single/common.js b/public/js/ff/transactions/single/common.js
new file mode 100644
index 0000000000..fe86aedf6c
--- /dev/null
+++ b/public/js/ff/transactions/single/common.js
@@ -0,0 +1,125 @@
+/*
+ * common.js
+ * Copyright (c) 2017 thegrumpydictator@gmail.com
+ * This software may be modified and distributed under the terms of the Creative Commons Attribution-ShareAlike 4.0 International License.
+ *
+ * See the LICENSE file for details.
+ */
+
+$(document).ready(function () {
+    "use strict";
+    setCommonAutocomplete();
+    runModernizer();
+});
+
+/**
+ * Give date a datepicker if not natively supported.
+ */
+function runModernizer() {
+    if (!Modernizr.inputtypes.date) {
+        $('input[type="date"]').datepicker(
+            {
+                dateFormat: 'yy-mm-dd'
+            }
+        );
+    }
+}
+
+/**
+ * Auto complete things in both edit and create routines:
+ */
+function setCommonAutocomplete() {
+    $.getJSON('json/tags').done(function (data) {
+        var opt = {
+            typeahead: {
+                source: data,
+                afterSelect: function () {
+                    this.$element.val("");
+                }
+            }
+        };
+        $('input[name="tags"]').tagsinput(
+            opt
+        );
+    });
+
+    if ($('input[name="destination_account_name"]').length > 0) {
+        $.getJSON('json/expense-accounts').done(function (data) {
+            $('input[name="destination_account_name"]').typeahead({source: data});
+        });
+    }
+
+    if ($('input[name="source_account_name"]').length > 0) {
+        $.getJSON('json/revenue-accounts').done(function (data) {
+            $('input[name="source_account_name"]').typeahead({source: data});
+        });
+    }
+
+    $.getJSON('json/categories').done(function (data) {
+        $('input[name="category"]').typeahead({source: data});
+    });
+}
+
+/**
+ * When the user changes the currency in the amount drop down, it may jump from being
+ * the native currency to a foreign currency. This triggers the display of several
+ * information things that make sure that the user always supplies the amount in the native currency.
+ *
+ * @returns {boolean}
+ */
+function selectsForeignCurrency() {
+    var foreignCurrencyId = parseInt($('input[name="amount_currency_id_amount"]').val());
+    var selectedAccountId = getAccountId();
+    var nativeCurrencyId = parseInt(accountInfo[selectedAccountId].preferredCurrency);
+
+    if (foreignCurrencyId !== nativeCurrencyId) {
+        console.log('User has selected currency #' + foreignCurrencyId + ' and this is different from native currency #' + nativeCurrencyId);
+
+        // the input where the native amount is entered gets the symbol for the native currency:
+        $('.non-selectable-currency-symbol').text(currencyInfo[nativeCurrencyId].symbol);
+
+        // the instructions get updated:
+        $('#ffInput_exchange_rate_instruction').text(getExchangeInstructions());
+
+        // both holders are shown to the user:
+        $('#exchange_rate_instruction_holder').show();
+        $('#native_amount_holder').show();
+
+        // if possible the amount is already exchanged for the foreign currency
+        convertForeignToNative();
+
+    }
+    if (foreignCurrencyId === nativeCurrencyId) {
+        console.log('User has selected currency #' + foreignCurrencyId + ' and this is equal to native currency #' + nativeCurrencyId + ' (phew).');
+        $('#exchange_rate_instruction_holder').hide();
+        $('#native_amount_holder').hide();
+    }
+
+    return false;
+}
+
+/**
+ * Converts any foreign amount to the native currency.
+ */
+function convertForeignToNative() {
+    var accountId = getAccountId();
+    var foreignCurrencyId = parseInt($('input[name="amount_currency_id_amount"]').val());
+    var nativeCurrencyId = parseInt(accountInfo[accountId].preferredCurrency);
+    var foreignCurrencyCode = currencyInfo[foreignCurrencyId].code;
+    var nativeCurrencyCode = currencyInfo[nativeCurrencyId].code;
+    var date = $('#ffInput_date').val();
+    var amount = $('#ffInput_amount').val();
+    var uri = 'json/rate/' + foreignCurrencyCode + '/' + nativeCurrencyCode + '/' + date + '?amount=' + amount;
+    console.log('Will grab ' + uri);
+    $.get(uri).done(updateNativeAmount);
+}
+
+/**
+ * Once the data has been grabbed will update the field in the form.
+ * @param data
+ */
+function updateNativeAmount(data) {
+    console.log('Returned data:');
+    console.log(data);
+    $('#ffInput_native_amount').val(data.amount);
+}
\ No newline at end of file
diff --git a/public/js/ff/transactions/single/create.js b/public/js/ff/transactions/single/create.js
index ea3cced69c..a115dae312 100644
--- a/public/js/ff/transactions/single/create.js
+++ b/public/js/ff/transactions/single/create.js
@@ -16,7 +16,6 @@ $(document).ready(function () {
     updateForm();
     updateLayout();
     updateDescription();
-    runModernizer();
     updateNativeCurrency(); // verify native currency by first account (may be different).
 
     // hide ALL exchange things
@@ -31,37 +30,8 @@ $(document).ready(function () {
 
     // when user selects different currency,
     $('.currency-option').on('click', selectsForeignCurrency);
-
-    // get JSON things:
-    getJSONautocomplete();
 });
 
-/**
- * Converts any foreign amount to the native currency.
- */
-function convertForeignToNative() {
-    var accountId = getAccountId();
-    var foreignCurrencyId = parseInt($('input[name="amount_currency_id_amount"]').val());
-    var nativeCurrencyId = parseInt(accountInfo[accountId].preferredCurrency);
-    var foreignCurrencyCode = currencyInfo[foreignCurrencyId].code;
-    var nativeCurrencyCode = currencyInfo[nativeCurrencyId].code;
-    var date = $('#ffInput_date').val();
-    var amount = $('#ffInput_amount').val();
-    var uri = 'json/rate/' + foreignCurrencyCode + '/' + nativeCurrencyCode + '/' + date + '?amount=' + amount;
-    console.log('Will grab ' + uri);
-    $.get(uri).done(updateNativeAmount);
-}
-
-/**
- * Once the data has been grabbed will update the field in the form.
- * @param data
- */
-function updateNativeAmount(data) {
-    console.log('Returned data:');
-    console.log(data);
-    $('#ffInput_native_amount').val(data.amount);
-}
-
 /**
  * This function generates a small helper text to explain the user
  * that they have selected a foreign currency.
@@ -78,45 +48,7 @@ function getExchangeInstructions() {
     return text;
 }
 
-/**
- * When the user changes the currency in the amount drop down, it may jump from being
- * the native currency to a foreign currency. This triggers the display of several
- * information things that make sure that the user always supplies the amount in the native currency.
- *
- * @returns {boolean}
- */
-function selectsForeignCurrency() {
-    var foreignCurrencyId = parseInt($('input[name="amount_currency_id_amount"]').val());
-    var selectedAccountId = getAccountId();
-    var nativeCurrencyId = parseInt(accountInfo[selectedAccountId].preferredCurrency);
 
-    if (foreignCurrencyId !== nativeCurrencyId) {
-        console.log('User has selected currency #' + foreignCurrencyId + ' and this is different from native currency #' + nativeCurrencyId);
-
-        // the input where the native amount is entered gets the symbol for the native currency:
-        $('.non-selectable-currency-symbol').text(currencyInfo[nativeCurrencyId].symbol);
-
-        // the instructions get updated:
-        $('#ffInput_exchange_rate_instruction').text(getExchangeInstructions());
-
-        // both holders are shown to the user:
-        $('#exchange_rate_instruction_holder').show();
-        $('#native_amount_holder').show();
-
-        // if possible the amount is already exchanged for the foreign currency
-        convertForeignToNative();
-
-    }
-    if (foreignCurrencyId === nativeCurrencyId) {
-        console.log('User has selected currency #' + foreignCurrencyId + ' and this is equal to native currency #' + nativeCurrencyId + ' (phew).');
-        $('#exchange_rate_instruction_holder').hide();
-        $('#native_amount_holder').hide();
-    }
-
-    // if the value of the selected currency does not match the account's currency
-    // show the exchange rate thing!
-    return false;
-}
 
 /**
  * There is an input that shows the currency symbol that is native to the selected
@@ -142,45 +74,6 @@ function updateDescription() {
     });
 }
 
-/**
- *
- */
-function getJSONautocomplete() {
-
-    // for withdrawals
-    $.getJSON('json/expense-accounts').done(function (data) {
-        $('input[name="destination_account_name"]').typeahead({source: data});
-    });
-
-    // for tags:
-    if ($('input[name="tags"]').length > 0) {
-        $.getJSON('json/tags').done(function (data) {
-
-            var opt = {
-                typeahead: {
-                    source: data,
-                    afterSelect: function () {
-                        this.$element.val("");
-                    }
-                }
-            };
-            $('input[name="tags"]').tagsinput(
-                opt
-            );
-        });
-    }
-
-    // for deposits
-    $.getJSON('json/revenue-accounts').done(function (data) {
-        $('input[name="source_account_name"]').typeahead({source: data});
-    });
-
-    $.getJSON('json/categories').done(function (data) {
-        $('input[name="category"]').typeahead({source: data});
-    });
-
-}
-
 /**
  *
  */
@@ -288,7 +181,7 @@ function updateButtons() {
 }
 
 /**
- * 
+ *
  * @param e
  * @returns {boolean}
  */
@@ -318,16 +211,3 @@ function getAccountId() {
     }
     alert('Cannot handle ' + what);
 }
-
-/**
- *
- */
-function runModernizer() {
-    if (!Modernizr.inputtypes.date) {
-        $('input[type="date"]').datepicker(
-            {
-                dateFormat: 'yy-mm-dd'
-            }
-        );
-    }
-}
\ No newline at end of file
diff --git a/public/js/ff/transactions/single/edit.js b/public/js/ff/transactions/single/edit.js
index d722c3adb8..bb05169fa2 100644
--- a/public/js/ff/transactions/single/edit.js
+++ b/public/js/ff/transactions/single/edit.js
@@ -12,7 +12,6 @@
 
 $(document).ready(function () {
     "use strict";
-    runModernizer();
     setAutocompletes();
     updateInitialPage();
 
@@ -38,69 +37,7 @@ function updateInitialPage() {
     }
 }
 
-/**
- * When the user changes the currency in the amount drop down, it may jump from being
- * the native currency to a foreign currency. This triggers the display of several
- * information things that make sure that the user always supplies the amount in the native currency.
- *
- * @returns {boolean}
- */
-function selectsForeignCurrency() {
-    var foreignCurrencyId = parseInt($('input[name="amount_currency_id_amount"]').val());
-    var selectedAccountId = getAccountId();
-    var nativeCurrencyId = parseInt(accountInfo[selectedAccountId].preferredCurrency);
 
-    if (foreignCurrencyId !== nativeCurrencyId) {
-        console.log('User has selected currency #' + foreignCurrencyId + ' and this is different from native currency #' + nativeCurrencyId);
-
-        // the input where the native amount is entered gets the symbol for the native currency:
-        $('.non-selectable-currency-symbol').text(currencyInfo[nativeCurrencyId].symbol);
-
-        // the instructions get updated:
-        $('#ffInput_exchange_rate_instruction').text(getExchangeInstructions());
-
-        // both holders are shown to the user:
-        $('#exchange_rate_instruction_holder').show();
-        $('#native_amount_holder').show();
-
-        // if possible the amount is already exchanged for the foreign currency
-        convertForeignToNative();
-
-    }
-    if (foreignCurrencyId === nativeCurrencyId) {
-        console.log('User has selected currency #' + foreignCurrencyId + ' and this is equal to native currency #' + nativeCurrencyId + ' (phew).');
-        $('#exchange_rate_instruction_holder').hide();
-        $('#native_amount_holder').hide();
-    }
-
-    return false;
-}
-
-/**
- * Converts any foreign amount to the native currency.
- */
-function convertForeignToNative() {
-    var accountId = getAccountId();
-    var foreignCurrencyId = parseInt($('input[name="amount_currency_id_amount"]').val());
-    var nativeCurrencyId = parseInt(accountInfo[accountId].preferredCurrency);
-    var foreignCurrencyCode = currencyInfo[foreignCurrencyId].code;
-    var nativeCurrencyCode = currencyInfo[nativeCurrencyId].code;
-    var date = $('#ffInput_date').val();
-    var amount = $('#ffInput_amount').val();
-    var uri = 'json/rate/' + foreignCurrencyCode + '/' + nativeCurrencyCode + '/' + date + '?amount=' + amount;
-    console.log('Will grab ' + uri);
-    $.get(uri).done(updateNativeAmount);
-}
-
-/**
- * Once the data has been grabbed will update the field in the form.
- * @param data
- */
-function updateNativeAmount(data) {
-    console.log('Returned data:');
-    console.log(data);
-    $('#ffInput_native_amount').val(data.amount);
-}
 
 /**
  * Get accountID based on some meta info.
@@ -116,58 +53,13 @@ function getAccountId() {
     alert('Cannot handle ' + journal.transaction_type.type);
 }
 
-
-/**
- * Give date a datepicker if not natively supported.
- */
-function runModernizer() {
-    if (!Modernizr.inputtypes.date) {
-        $('input[type="date"]').datepicker(
-            {
-                dateFormat: 'yy-mm-dd'
-            }
-        );
-    }
-}
-
 /**
  * Set the auto-complete JSON things.
  */
 function setAutocompletes() {
-    if ($('input[name="destination_account_name"]').length > 0) {
-        $.getJSON('json/expense-accounts').done(function (data) {
-            $('input[name="destination_account_name"]').typeahead({source: data});
-        });
-    }
-
-    $.getJSON('json/tags').done(function (data) {
-        var opt = {
-            typeahead: {
-                source: data,
-                afterSelect: function () {
-                    this.$element.val("");
-                }
-            }
-        };
-        $('input[name="tags"]').tagsinput(
-            opt
-        );
-    });
-
-    if ($('input[name="source_account_name"]').length > 0) {
-        $.getJSON('json/revenue-accounts').done(function (data) {
-            $('input[name="source_account_name"]').typeahead({source: data});
-        });
-    }
-
     $.getJSON('json/transaction-journals/' + what).done(function (data) {
         $('input[name="description"]').typeahead({source: data});
     });
-
-
-    $.getJSON('json/categories').done(function (data) {
-        $('input[name="category"]').typeahead({source: data});
-    });
 }
 
 /**
diff --git a/resources/views/transactions/single/create.twig b/resources/views/transactions/single/create.twig
index c64b46d047..a2662e2cbf 100644
--- a/resources/views/transactions/single/create.twig
+++ b/resources/views/transactions/single/create.twig
@@ -232,6 +232,7 @@
     <script type="text/javascript" src="js/lib/jquery-ui.min.js"></script>
     <script type="text/javascript" src="javascript/accounts?ext=.js"></script>
     <script type="text/javascript" src="javascript/currencies?ext=.js"></script>
+    <script type="text/javascript" src="js/ff/transactions/single/common.js"></script>
     <script type="text/javascript" src="js/ff/transactions/single/create.js"></script>
 {% endblock %}
 
diff --git a/resources/views/transactions/single/edit.twig b/resources/views/transactions/single/edit.twig
index 53ff1b9ea5..f1110fd358 100644
--- a/resources/views/transactions/single/edit.twig
+++ b/resources/views/transactions/single/edit.twig
@@ -246,6 +246,7 @@
         var journalData = {{ data|json_encode|raw }};
         var exchangeRateInstructions = "{{ 'exchange_rate_instructions'|_|escape('js') }}";
     </script>
+    <script type="text/javascript" src="js/ff/transactions/single/common.js"></script>
     <script type="text/javascript" src="js/ff/transactions/single/edit.js"></script>
 
 {% endblock %}