diff --git a/module/project/js/common.js b/module/project/js/common.js
index a4d29fcff2..c74e29135f 100644
--- a/module/project/js/common.js
+++ b/module/project/js/common.js
@@ -37,14 +37,25 @@ function computeDaysDelta(date1, date2)
     return (date2 - date1) / (1000 * 60 * 60 * 24)
 }
 
+/**
+ * Compute work days.
+ * 
+ * @access public
+ * @return void
+ */
+function computeWorkDays()
+{
+    beginDate = $('#begin').val();
+    endDate   = $('#end').val();
+    if(beginDate && endDate) $('#days').val(computeDaysDelta(beginDate, endDate));
+}
+
 /* Auto compute the work days. */
 $(function() 
 {
     $(".date").bind('dateSelected', function()
     {
-        beginDate = $('#begin').val();
-        endDate   = $('#end').val();
-        if(beginDate && endDate) $('#days').val(computeDaysDelta(beginDate, endDate));
+        computeWorkDays();
     })
 });
 
diff --git a/module/project/view/create.html.php b/module/project/view/create.html.php
index f224dbc537..680ac3c378 100644
--- a/module/project/view/create.html.php
+++ b/module/project/view/create.html.php
@@ -44,11 +44,11 @@ $(document).ready(function()
     </tr>  
     <tr>
       <th class='rowhead'><?php echo $lang->project->begin;?></th>
-      <td><?php echo html::input('begin', '', "class='text-3 date' onchange='computeDays()'");?></td>
+      <td><?php echo html::input('begin', '', "class='text-3 date' onchange='computeWorkDays()'");?></td>
     </tr>  
     <tr>
       <th class='rowhead'><?php echo $lang->project->end;?></th>
-      <td><?php echo html::input('end', '', "class='text-3 date' onchange='computeDays()'");?></td>
+      <td><?php echo html::input('end', '', "class='text-3 date' onchange='computeWorkDays()'");?></td>
     </tr>  
     <tr>
       <th class='rowhead'><?php echo $lang->project->days;?></th>
diff --git a/module/project/view/edit.html.php b/module/project/view/edit.html.php
index d63f15cbb9..a8d7310e60 100644
--- a/module/project/view/edit.html.php
+++ b/module/project/view/edit.html.php
@@ -26,11 +26,11 @@
     </tr>  
     <tr>
       <th class='rowhead'><?php echo $lang->project->begin;?></th>
-      <td><?php echo html::input('begin', $project->begin, "class='text-3 date' onchange='computeDays()'");?></td>
+      <td><?php echo html::input('begin', $project->begin, "class='text-3 date' onchange='computeWorkDays()'");?></td>
     </tr>  
     <tr>
       <th class='rowhead'><?php echo $lang->project->end;?></th>
-      <td><?php echo html::input('end', $project->end, "class='text-3 date' onchange='computeDays()'");?></td>
+      <td><?php echo html::input('end', $project->end, "class='text-3 date' onchange='computeWorkDays()'");?></td>
     </tr>  
     <tr>
       <th class='rowhead'><?php echo $lang->project->days;?></th>