fix the copy of webapp parameters into the job form

rails/app/views/webapp_parameters/_webapp_parameter.html.erb

 <% if not webapp_parameter.detail.blank? %>
 <p>
 	<i class="fa fa-code fa-4"></i>
-	<a class="param lead" href="#" ><%= webapp_parameter.detail %></a> :
-  <span class="param_value lead"><%= webapp_parameter.value %></span>
+        <a class="param lead" href="javascript:void(0)" data-value="<%= webapp_parameter.value %>"><%= webapp_parameter.detail %></a> :
+        <span class="param_value lead"><%= webapp_parameter.value %></span>
+        <script type="text/javascript">
+<%# attach callback to each webapp_parameter to copy it into the job form  %>
+$("a.param").click(function(ev) {
+  $("#text_param").val($(ev.target).attr("data-value"))
+});
+        </script>
 </p>
 <% end %>