diff --git a/include/class_acc_ledger.php b/include/class_acc_ledger.php
index 4a51910bd..9f2b310ef 100644
--- a/include/class_acc_ledger.php
+++ b/include/class_acc_ledger.php
@@ -894,12 +894,13 @@ class Acc_Ledger {
        $amount->name='amount'.$i;
        $amount->value=(isset(${'amount'.$i}))?${"amount".$i}:'';
        $amount->readonly=$p_readonly;
-
+       $amount->javascript=' onChange="checkTotalDirect()"';
        // D/C
        $deb=new widget('checkbox');
        $deb->name='ck'.$i;
        $deb->selected=(isset(${'ck'.$i}))?true:false;
        $deb->readonly=$p_readonly;
+       $deb->javascript=' onChange="checkTotalDirect()"';
 
        $ret.='<tr>';
        $ret.='<td>'.$quick_code->IOValue().'</td>';
diff --git a/include/class_widget.php b/include/class_widget.php
index 30ad3e6c2..747917e0b 100644
--- a/include/class_widget.php
+++ b/include/class_widget.php
@@ -201,7 +201,7 @@ class widget {
 	$check=( $this->selected==true )?"checked":"unchecked";
 	$r='<input type="CHECKBOX" name="'.$this->name.'"';
 	$r.="  $check";
-	$r.=' '.$disabled.'>';
+	$r.=' '.$disabled."  ".$this->javascript.'>';
       }
       if ($this->table==1) {
 	$r="<TD> $this->label </TD><TD> $r </TD>";
diff --git a/include/constant.php b/include/constant.php
index 62303ee4f..83b245248 100644
--- a/include/constant.php
+++ b/include/constant.php
@@ -174,6 +174,11 @@ define ('JS_CALENDAR','
 <script type="text/javascript" language="javascript"  src="js/jrn_concerned.js">
 </script>');
 
+define ('JS_COMPUTE_DIRECT','
+<script type="text/javascript" language="javascript"  src="js/compute_direct.js">
+</script>');
+
+
 // One line calculator
 define ("JS_CALC_LINE",'
 <div style="border:outset black 3px; position:float; float:right;background-color:white;font-family:sans-serif;font-size:9pt;">
diff --git a/include/quick_writing.inc.php b/include/quick_writing.inc.php
index f881b4db8..3e4a48a1e 100644
--- a/include/quick_writing.inc.php
+++ b/include/quick_writing.inc.php
@@ -34,6 +34,7 @@ $id=(isset ($_REQUEST['p_jrn']))?$_REQUEST['p_jrn']:-1;
 
 function show_direct_form($cn,$ledger,$p_array) {
   $id=(isset ($_REQUEST['p_jrn']))?$_REQUEST['p_jrn']:-1;
+  echo JS_COMPUTE_DIRECT;
 
   // Show the predef operation
   // Don't forget the p_jrn 
@@ -57,9 +58,16 @@ function show_direct_form($cn,$ledger,$p_array) {
   echo $ledger->show_form($p_array);
 
   echo widget::submit_button('summary','Sauvez');
+  echo '<div class="info">
+    D&eacute;bit = <span id="totalDeb"></span>
+    Cr&eacute;dit = <span id="totalCred"></span>
+    Difference = <span id="totalDiff"></span>
+</div>
+    ';
 
 
   echo '</form>';
+   echo "<div>".JS_CALC_LINE."</div>";
 
   echo '</div>';
 }