修改项目发送邮件邀请页面样式，以及提示

app/views/projects/invite_members_by_mail.html.erb

@@ -24,10 +24,13 @@
 			<%= render :partial => 'regested', locals: { :isregisted => false} %>
 		</div>
 			<%= form_tag('send_mail_to_member', :controller => 'projects',:action => 'send_mail_to_member', method: 'get',:remote=>true) do %>
-				<%= text_field_tag 'mail',  '邮箱', :class => "fb_item fl" %>
-		<div class="cl"></div>
-		<div class="cl"></div>	
-				<%= submit_tag '免费发送', :style => "display:block; width:80px; text-align:center; color:#fff; height:26px; padding-top:3px; margin-bottom:10px;" %>
+				<%= text_field_tag 'mail',  '', :class => "fb_item fl", :placeholder => l(:label_input_email) %>
+                <div class="cl"></div>
+                <div class="cl"></div>
+                <a href="#" class="btn_free" onclick="$(this).parent().submit();">
+                    <%= l(:label_send_email)%>
+                </a>
+				<%#= submit_tag '免费发送', :style => "display:block; width:80px; text-align:center; color:#fff; height:26px; padding-top:3px; margin-bottom:10px;" %>
 			<% end %>
 	</div>
 </div>

config/locales/zh.yml

@@ -2082,4 +2082,6 @@ zh:
   label_recently_updated_courseware: 最近更新了课件
   label_no_courses: 您没有参与任何课程，请搜索课程、加入课程，或者创建课程吧！
   label_end_time: 截止时间
+  label_send_email: 免费发送
+  label_input_email: 请输入邮箱地址