diff --git a/app/views/courses/_course_form.html.erb b/app/views/courses/_course_form.html.erb
index 23a0caabd..6a2ee456a 100644
--- a/app/views/courses/_course_form.html.erb
+++ b/app/views/courses/_course_form.html.erb
@@ -20,8 +20,7 @@
         if (!regex.test($("#class_period").val())){
             alert("学时只能为整数");
         }
-        }
-    }
+     }
 </script>
 
 
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 445a9053c..1dedc1b8c 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -633,3 +633,55 @@ function img_thumbnails() {
   });
 }
 $(document).ready(img_thumbnails);
+
+function TimeClose(dateText, inst) {
+    if(inst.id=="issue_start_date"){
+        time=dateText;
+    }
+}
+var time=new Date();
+function TimeBeforeShow(input){
+    if(input.id=="issue_due_date"){
+        //var minDate = $(input).datepicker('option', 'minDate');
+        var tempdata=$("#issue_start_date").attr("value");
+
+        $(input).datepicker('option', 'minDate',new Date(tempdata.replace(/-/g,   "/")));
+        //$('.selector').datepicker('option', 'minDate', '12/25/2012');
+    }
+}
+
+function SetMinValue(){
+    /// var tempdata=$("#issue_start_date").attr("value");
+    //$('.selector').datepicker('option', 'minDate', '12/25/2012');
+    //alert(tempdata);
+    //$("#issue_due_date").datepicker({
+    //    minDate: new Date(2014,08,23)
+    //var datepickerOptions=
+    //{dateFormat: 'yy-mm-dd',minDate: new Date(2014,08,23), showOn: 'button', buttonImageOnly: true, buttonImage: "path_to_image('/images/calendar.png')", showButtonPanel: true, showWeek: true, showOtherMonths: true, selectOtherMonths: true};
+    //alert( $('.issue_due_date').length);
+    //$('.selector')[1].datepicker('option', 'minDate', new Date(2014, 0 - 8, 23));
+    //$("#issue_due_date").datepicker(datepickerOptions);
+    //$("##{issue_due_date}").datepicker(datepickerOptions);
+    //$("#issue_due_date").datepicker(
+    //        {dateFormat: 'yy-mm-dd',minDate: new Date(2014,08,23), showOn: 'button', buttonImageOnly: true, buttonImage: "path_to_image('/images/calendar.png')", showButtonPanel: true, showWeek: true, showOtherMonths: true, selectOtherMonths: true}
+    //)
+    //});
+}
+function  PrecentChange(obj){
+    var _v=    obj;
+    if(_v==100)
+    {
+        //var select=$("select[id='issue_status_id']");
+        $("select[id='issue_status_id']").find("option[value='3']").attr("selected","selected");
+    }
+    else if(_v==0)
+    {
+        //alert(1);
+        $("select[id='issue_status_id']").find("option[value='1']").attr("selected","selected");
+    }
+    else if(_v!=100&&_v!=0)
+    {
+        // alert(2);
+        $("select[id='issue_status_id']").find("option[value='2']").attr("selected","selected");
+    }
+}