diff --git a/_archives.html b/_archives.html
index e774b6d..0bf6672 100644
--- a/_archives.html
+++ b/_archives.html
@@ -37,10 +37,9 @@
 {{* Immobilisation avec une écriture de sortie de bilan *}}
 {{:read file="./defaut.json" assign="config_json"}}
 {{:assign config_defaut=$config_json|json_decode}}
-{{:assign var="prefix_array" value=$config_defaut.prefixes|keys}}
 
 {{:assign condition="("}}
-{{#foreach from=$prefix_array item="code"}}
+{{#foreach from=$config_defaut.prefixes item="code"}}
 	{{:assign code=$code|cat:"%"|quote_sql}}
 	{{:assign condition=$condition|cat:"account.code LIKE "|cat:$code|cat:" OR "}}
 {{/foreach}}
diff --git a/_get_config.html b/_get_config.html
new file mode 100644
index 0000000..25cd4e7
--- /dev/null
+++ b/_get_config.html
@@ -0,0 +1,23 @@
+{{* -*- brindille -*- *}}
+
+{{*
+	Récupérer la config
+*}}
+
+{{* config par défaut *}}
+{{:read file="./defaut.json" assign="config_defaut"}}
+{{:assign config_defaut=$config_defaut|json_decode}}
+
+{{*
+{{if $module.config.tva != null}}
+	{{:assign var="config.tva" value=$module.config.tva}}
+{{else}}
+	{{:assign var="config.tva" value=$config_defaut.tva}}
+{{/if}}
+*}}
+
+{{if $module.config.prefixes != null}}
+	{{:assign var="config.prefixes" value=$module.config.prefixes}}
+{{else}}
+	{{:assign var="config.prefixes" value=$config_defaut.prefixes}}
+{{/if}}
diff --git a/_immobilisations.html b/_immobilisations.html
index e9d6eab..6144a45 100644
--- a/_immobilisations.html
+++ b/_immobilisations.html
@@ -28,9 +28,8 @@
 			{{* lister les immobilisations *}}
 			{{:read file="./defaut.json" assign="config_json"}}
 			{{:assign config_defaut=$config_json|json_decode}}
-			{{:assign var="prefix_array" value=$config_defaut.prefixes|keys}}
 			{{:assign condition="("}}
-			{{#foreach from=$prefix_array item="code"}}
+			{{#foreach from=$config_defaut.prefixes item="code"}}
 				{{:assign code=$code|cat:"%"|quote_sql}}
 				{{:assign condition=$condition|cat:" account.code LIKE "|cat:$code|cat:" OR "}}
 			{{/foreach}}
diff --git a/_immobilisations_autres.html b/_immobilisations_autres.html
index f283686..f5cf801 100644
--- a/_immobilisations_autres.html
+++ b/_immobilisations_autres.html
@@ -29,9 +29,8 @@
 			{{* lister les immobilisations *}}
 			{{:read file="./defaut.json" assign="config_json"}}
 			{{:assign config_defaut=$config_json|json_decode}}
-			{{:assign var="prefix_array" value=$config_defaut.prefixes|keys}}
 			{{:assign condition="("}}
-			{{#foreach from=$prefix_array item="code"}}
+			{{#foreach from=$config_defaut.prefixes item="code"}}
 				{{:assign code=$code|cat:"%"|quote_sql}}
 				{{:assign condition=$condition|cat:" account.code LIKE "|cat:$code|cat:" OR "}}
 			{{/foreach}}
diff --git a/_nav.html b/_nav.html
index fc5c3c3..323d316 100644
--- a/_nav.html
+++ b/_nav.html
@@ -15,14 +15,13 @@
 			</aside>
 	{{/if}}
 
-	{{if $current == "index"}} {{* && $subsubcurrent != "balance_exit" *}}
-		<ul>
-			<li {{if $subcurrent == "managed"}}class="current"{{/if}}><a href="index.html?type_immo=managed">En cours</a></li>
-			<li {{if $subcurrent == "amortized"}}class="current"{{/if}}><a href="index.html?type_immo=amortized">Amorties</a></li>
-			<li {{if $subcurrent == "archived"}}class="current"{{/if}}><a href="index.html?type_immo=archived">Sorties du bilan</a></li>
-			<li {{if $subcurrent == "other"}}class="current"{{/if}}><a href="index.html?type_immo=other">Autres</a></li>
-		</ul>
-	{{/if}}
+	<ul>
+		<li {{if $subcurrent == "managed"}}class="current"{{/if}}><a href="index.html?type_immo=managed">En cours</a></li>
+		<li {{if $subcurrent == "amortized"}}class="current"{{/if}}><a href="index.html?type_immo=amortized">Amorties</a></li>
+		<li {{if $subcurrent == "archived"}}class="current"{{/if}}><a href="index.html?type_immo=archived">Sorties du bilan</a></li>
+		<li {{if $subcurrent == "other"}}class="current"{{/if}}><a href="index.html?type_immo=other">Autres</a></li>
+		<li {{if $current == "config"}} class="current"{{/if}}><a href="config.html">Configuration</a></li>
+	</ul>
 
 	{{if $subsubcurrent == "amortization"}}
 		<ul class="sub">
diff --git a/add_asset.html b/add_asset.html
index 597126f..31ec3dc 100644
--- a/add_asset.html
+++ b/add_asset.html
@@ -2,7 +2,6 @@
 
 {{:read file="./defaut.json" assign="config_json"}}
 {{:assign config_defaut=$config_json|json_decode}}
-{{:assign var="prefix_array" value=$config_defaut.prefixes|keys}}
 
 {{#years closed=false order="start_date" assign=years.}}
 	{{:assign ts_debut=$start_date|strtotime}}
@@ -74,7 +73,7 @@
 		file="_check_account.html"
 		account=$debit_account
 		chart_id=$selected_chart
-		prefix_array=$prefix_array
+		prefix_array=$config_defaut.prefixes
 		keep="account_ok"
 	}}
 
@@ -138,7 +137,7 @@
 	{{:assign var="projects.%d"|args:$id value=$label}}
 {{/select}}
 
-{{#foreach from=$prefix_array item="code"}}
+{{#foreach from=$config_defaut.prefixes item="code"}}
 	{{:assign var="pattern_array." value="%s*"|args:$code}}
 {{/foreach}}
 {{:assign var="patterns" value=$pattern_array|implode:"|"}}
diff --git a/config.html b/config.html
new file mode 100644
index 0000000..2a5b6f5
--- /dev/null
+++ b/config.html
@@ -0,0 +1,247 @@
+{{* -*- brindille -*- *}}
+{{:admin_header title="Configuration" custom_css="./style.css" current="module_amortissement"}}
+{{* barre de navigation *}}
+{{:include file="_nav.html" current="config"}}
+{{if $_GET.ok == 1}}
+	<p class="block confirm">Configuration enregistrée.</p>
+{{/if}}
+
+{{* lecture config (défaut ou enregistrée) *}}
+{{:include file="./_get_config.html" keep="config"}}
+
+{{*:debug prefixes=$config.prefixes*}}
+
+{{#form on="save"}}
+	{{*:debug post=$_POST*}}
+	{{:assign ok=0}}
+	{{*
+	TODO ? gérer le cas d'un compte qui englobe un autre...
+	ex : 27 21 273 ou 20 21 27 2
+	*}}
+	{{#foreach from=$_POST.immo_accounts item="line"}}
+		{{:assign elem=$line|values}}
+		{{:assign elem=$elem.0}}
+		{{*:debug elem=$elem*}}
+		{{:assign var="fields" value=$elem|explode:" "}}
+		{{*if ! $account_codes|has:$fields.0*}}
+		{{:assign present=false}}
+		{{* ne pas garder si préfixe d'un compte déjà présent => voir commentaire précédent *}}
+		{{#foreach from=$account_codes item="code"}}
+			{{:assign pos=$code|strpos:$fields.0}}
+			{{*:debug code=$code pos=$pos*}}
+			{{if $pos !== false}}
+				{{:assign present=true}}
+				{{:break}}
+			{{/if}}
+		{{/foreach}}
+		{{if ! $present}}
+			{{:assign var="account_codes." value=$fields.0}}
+		{{/if}}
+	{{/foreach}}
+	{{*:debug codes=$account_codes*}}
+
+	{{:save
+		key="config"
+		prefixes=$account_codes|sort
+	}}
+	{{:assign ok=1}}
+
+	{{:redirect to="./config.html?ok=%d"|args:$ok}}
+{{/form}}
+
+{{* récupérer l'exercice courant *}}
+{{:assign var="selected_year" from="logged_user.preferences.accounting_year}}
+{{if $selected_year == null}}
+	{{* sélectionner l'exercice le plus probable *}}
+	{{#years closed=false order="start_date"}}
+		{{:assign var="open_years.%d"|args:$id value=$label}}
+		{{if $start_date|strtotime <= $now && $end_date|strtotime >= $now}}
+			{{:assign selected_year=$id}}
+			{{:break}}
+		{{/if}}
+	{{/years}}
+{{/if}}
+
+
+{{*
+{{#select
+	year.id,
+	year.label as year_label,
+	year.start_date,
+	year.end_date,
+	chart.id as chart_id,
+	chart.label AS chart_label
+	FROM acc_years AS year
+	INNER JOIN acc_charts AS chart ON chart.id = year.id_chart
+	WHERE year.id = :year_id;
+	:year_id = $selected_year
+}}
+*}}
+	{{*:debug year=$year_label chart=$chart_label*}}
+{{*
+{{/select}}
+*}}
+
+{{* libellés des comptes d'immobilisation *}}
+{{:assign condition="("}}
+{{#foreach from=$config.prefixes item="code"}}
+	{{:assign code=$code|quote_sql}}
+	{{:assign condition=$condition|cat:" account.code = "|cat:$code|cat:" OR "}}
+{{/foreach}}
+{{:assign condition=$condition|cat:"0)"}}
+{{:assign condition=$condition|cat:" AND year.id = %s"|args:$selected_year}}
+{{*:debug cond=$condition*}}
+
+{{#select
+	account.id as account_id,
+	account.code,
+	account.id_chart,
+	account.label,
+	year.label as year_label,
+	chart.label as chart_label
+	FROM acc_accounts AS account
+	INNER JOIN acc_charts AS chart ON chart.id = account.id_chart
+	INNER JOIN acc_years AS year ON year.id_chart = chart.id
+	WHERE !condition
+	;
+	!condition=$condition
+	}}
+	{{:assign var="accounts.%s"|args:$code label=$label id=$account_id}}
+	{{*:debug acc_id=$account_id code=$code label=$label year_label=$year_label chart_label=$chart_label*}}
+{{/select}}
+{{*:debug accounts=$accounts*}}
+
+{{*
+<form method="post" action="">
+*}}
+	<h3>Comptes d'immobilisation</h3>
+	<form method="post" action="">
+		<table class="list transaction-lines" id="asset_prefixes">
+			<thead>
+				<tr>
+					<td>Compte</td>
+					<td></td>
+				</tr>
+			</thead>
+			<tbody>
+				{{#foreach from=$accounts key=code item=elem}}
+					<tr>
+						<td>
+							{{:assign var="immo_account.%s.%s"|args:$code:$code value="%s — "|args:$code|cat:$elem.label}}
+							{{:assign var="current_account" from="immo_account.%s"|args:$code}}
+							{{*:debug immo_account=$immo_account current_account=$current_account*}}
+							{{:input
+								type="list"
+								name="immo_accounts[]"
+								target="!acc/charts/accounts/selector.php?codes=%s&id_year=%d"|args:$code::$selected_year
+								default=$current_account
+							}}
+						</td>
+						<td class="actions">
+							{{:button
+								label="Enlever"
+								title="Enlever une ligne"
+								shape="minus"
+								min="1"
+								name="remove_line"
+							}}
+						</td>
+					</tr>
+				{{/foreach}}
+			</tbody>
+			<tfoot>
+				<tr>
+					<td></td>
+					<td class="actions">{{:button shape="plus" label="Ajouter" title="Ajouter un compte"}}</td>
+				</tr>
+			</tfoot>
+		</table>
+{{*
+		<p class="actions">
+			{{:button shape="plus" label="Ajouter" title="Ajouter un compte"}}
+*}}
+			{{*:button shape="plus" label="Ajouter un compte" onclick="var a = $('#asset_prefixes tbody')[0].lastElementChild; var b = a.cloneNode(true); 			b.querySelectorAll('input, select').forEach((e) => e.value = null); a.parentNode.append(b);"*}}
+{{*
+		</p>
+		*}}
+
+{{*
+		<fieldset>
+			<dl>
+				{{:input
+					type="list"
+					name="immo_account"
+					label="Ajouter un compte d'immobilisation"
+					target="!acc/charts/accounts/selector.php?codes=2*&year=%s"|args:$selected_year
+				}}
+*}}
+				{{*:input type="checkbox" name="tva" value=1 label="TVA" source=$config help="Cocher si l'asso est assujettie à la TVA"*}}
+{{*
+			</dl>
+		</fieldset>
+*}}
+
+	<p class="submit">
+		{{:button type="submit" name="save" label="Enregistrer" shape="right" class="main"}}
+	</p>
+</form>
+
+<script type="text/javascript" src="scripts.js"></script>
+<script type="text/javascript">
+	function remove_line(idtable, code) {
+		let trouve = false, row = null;
+		const table = document.getElementById(idtable);
+		for (let i = 0; i < table.rows.length; ++i) {
+			row = table.rows[i];
+			for (let j = 0; j < row.cells.length; ++j) {
+				const col = row.cells[j];
+				if (col.innerText == code) {
+					trouve = true;
+					break;
+				}
+			}
+			if (trouve) { break; }
+		}
+		if (row != null) {
+			row.parentNode.removeChild(row);
+		}
+	}
+</script>
+
+<script type="text/javascript" async="async">
+
+	// bouton - : supprimer une ligne
+	var lines = $('.transaction-lines tbody tr');
+	lines.forEach(initLine);
+
+	// bouton + : dupliquer une ligne
+	$('.transaction-lines tfoot button')[0].onclick = () => {
+		let lines = $('.transaction-lines tbody tr');
+		var line = lines[lines.length - 1];
+		var n = line.cloneNode(true);
+
+		// Réinitialiser le sélecteur de compte
+		let b = n.querySelector('.input-list button');
+		let url = b.value;
+		let new_url = url.replace(/codes=[0-9]+\*?/, "codes=2*");
+		b.value = new_url;
+
+		// gestionnaire d'événement
+		b.onclick = () => {
+			g.current_list_input = b.parentNode;
+			let url = b.value + (b.value.indexOf('?') > 0 ? '&' : '?') + '_dialog';
+			g.openFrameDialog(url);
+			return false;
+		};
+
+		// réinitialiser le label
+		let l = n.querySelector('.input-list span.label');
+		console.log("label=" + l.innerText);
+		l.innerText = '';
+
+		line.parentNode.appendChild(n);
+		initLine(n);
+
+	};
+</script>
+
diff --git a/defaut.json b/defaut.json
index 5c00d9b..06771a5 100644
--- a/defaut.json
+++ b/defaut.json
@@ -1,8 +1,8 @@
 {
 	"tva": false,
-	"prefixes": {
-		"20": "Immobilisations incorporelles",
-		"21": "Immobilisations corporelles",
-		"27": "Immobilisations financières"
-    }
+	"prefixes": [
+		"20",
+		"21",
+		"27"
+    ]
 }
diff --git a/save_amort.html b/save_amort.html
index 06f5a26..7ad6b50 100644
--- a/save_amort.html
+++ b/save_amort.html
@@ -149,8 +149,7 @@
 	*}}
 	{{:read file="./defaut.json" assign="config_json"}}
 	{{:assign config_defaut=$config_json|json_decode}}
-	{{:assign var="prefix_array" value=$config_defaut.prefixes|keys}}
-	{{#foreach from=$prefix_array item="code"}}
+	{{#foreach from=$config_defaut.prefixes item="code"}}
 		{{* déterminer le numéro du compte d'amortissement associé au compte d'immobilisation *}}
 		{{:include
 			file="./_get_amort_code.html"
@@ -254,7 +253,7 @@
 			{{:input
 				type="list"
 				name="credit_account"
-				label="Compte d'amortissement (280xx ou 281xx)"
+				label="Compte d'amortissement (28xx)"
 				required=true
 				target="!acc/charts/accounts/selector.php?codes=%s&id_year=%d"|args:"28*":$selected_year
 				default=$credit_account
diff --git a/scripts.js b/scripts.js
index 232df76..3d91074 100644
--- a/scripts.js
+++ b/scripts.js
@@ -139,3 +139,21 @@ function setSelectorYear(button_names, f_years_selector) {
 	const selected_year = document.getElementById(f_years_selector).value;
 	setAccountYear(button_names, selected_year);
 }
+
+// config : gestion des ajouts/suppression comptes immo
+
+function initLine(row) {
+	var removeBtn = row.querySelector('button[name="remove_line"]');
+	removeBtn.onclick = () => {
+		var count = $('.transaction-lines tbody tr').length;
+		var min = removeBtn.getAttribute('min');
+
+		if (count <= min) {
+			alert("Il n'est pas possible d'avoir moins de " + min + " compte(s).");
+			return false;
+		}
+
+		row.parentNode.removeChild(row);
+		return true;
+	};
+}
diff --git a/write_exit.html b/write_exit.html
index 591e803..9d0b553 100644
--- a/write_exit.html
+++ b/write_exit.html
@@ -260,7 +260,7 @@
 		}}
 	{{/if}}
 
-	{{:redirect to="index.html?type_immo=sortie"}}
+	{{:redirect to="index.html?type_immo=archived"}}
 {{/form}}
 
 {{:admin_header title="Sortie du bilan" custom_css="./style.css" current="module_amortissement"}}
@@ -311,9 +311,8 @@
 
 {{:read file="./defaut.json" assign="config_json"}}
 {{:assign config_defaut=$config_json|json_decode}}
-{{:assign var="prefix_array" value=$config_defaut.prefixes|keys}}
 
-{{#foreach from=$prefix_array item="code"}}
+{{#foreach from=$config_defaut.prefixes item="code"}}
 	{{:assign var="pattern_array." value="%s*"|args:$code}}
 {{/foreach}}
 {{:assign patterns=$pattern_array|implode:"|"}}