app/views/issue_templates/_issue_template_control.html.erb
<% html = capture do %>
<div class='insertTemplate' style="margin-bottom: 15px; margin-left: -180px;">
<label style="margin-left: 0; margin-right: 5px;"><%= l(:label_issue_template_insert) %></label>
<select id="template_selector">
<%= issue_templates_options %>
</select>
<input type="button" value="<%= l(:label_issue_template_insert) %>" class="insert_template_button"/>
</div>
<% end %>
<%= javascript_tag do %>
jQuery(document).ready(function($) {
$('#issue_description_and_toolbar').append('<%= escape_javascript(html) %>');
});
<% end %>