* Finish task#56932.

module/programplan/view/create.html.php

@@ -209,6 +209,10 @@
 js::set('emptyBegin', $lang->programplan->emptyBegin);
 js::set('emptyEnd', $lang->programplan->emptyEnd);
 js::set('planFinishSmall', $lang->programplan->error->planFinishSmall);
+js::set('errorBegin', $lang->programplan->errorBegin);
+js::set('errorEnd', $lang->programplan->errorEnd);
+js::set('projectBeginDate', $project->begin);
+js::set('projectEndDate', $project->end);
 ?>
 <script>
 $('[data-toggle="popover"]').popover();
@@ -259,6 +263,26 @@ $('#planForm').submit(function()
             alert(planFinishSmall);
             return false;
         }
+
+        if(beginDate < projectBeginDate)
+        {
+            submitForm = false;
+            var errorBeginTip  = errorBegin.replace('%s', projectBeginDate);
+            var errorBeginHtml = '<div id="help' + beginDateID + '" class="text-danger help-text">' + errorBeginTip + '</div>';
+            $('#' + beginDateID).after(errorBeginHtml);
+            alert(errorBeginTip);
+            return false;
+        }
+
+        if(endDate > projectEndDate)
+        {
+            submitForm = false;
+            var errorEndTip  = errorEnd.replace('%s', projectEndDate);
+            var errorEndHtml = '<div id="help' + endDateID + '" class="text-danger help-text">' + errorEndTip + '</div>';
+            $('#' + endDateID).after(errorEndHtml);
+            alert(errorEndTip);
+            return false;
+        }
     });
 
     if(!submitForm) return false;