1.#878 缺陷输入计划完成时间小于开始时时间修改

2.修改时间选择的最小默认值

app/helpers/application_helper.rb

@@ -1300,10 +1300,10 @@ module ApplicationHelper
         start_of_week = start_of_week.to_i % 7
 
         tags = javascript_tag(
-                   "var datepickerOptions={dateFormat: 'yy-mm-dd', firstDay: #{start_of_week}, " +
+                   "var datepickerOptions={dateFormat: 'yy-mm-dd',minDate: new Date(), firstDay: #{start_of_week}, " +
                      "showOn: 'button', buttonImageOnly: true, buttonImage: '" + 
                      path_to_image('/images/calendar.png') +
-                     "', showButtonPanel: true, showWeek: true, showOtherMonths: true, selectOtherMonths: true};")
+                     "', showButtonPanel: true, showWeek: true, showOtherMonths: true, selectOtherMonths: true, onClose: function(dateText, inst) {TimeClose(dateText,inst);}, beforeShow : function(input){TimeBeforeShow(input);} };")
         jquery_locale = l('jquery.locale', :default => current_language.to_s)
         unless jquery_locale == 'en'
           tags << javascript_include_tag("i18n/jquery.ui.datepicker-#{jquery_locale}.js") 

app/views/issues/_attributes.html.erb

@@ -46,6 +46,43 @@
 <p><%= f.text_field :estimated_hours, :size => 3, :disabled => !@issue.leaf?, :required => @issue.required_attribute?('estimated_hours') %> <%= l(:field_hours) %></p>
 <% end %>
   <script type="text/javascript">
+//      window.onload=function(){
+//          var img=$("#issue_due_date").next("img");
+//          img.attr("onclick","SetMinValue();");
+//      }
+      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)