Ajax in rails

I am building a task management application in ROR. I am new to ROR and learning it. While adding tasks, I need to select a projects drop down list and the team members of that project will be shown as drop down. I am using ajax for it. But I see that in the response data I am getting the complete htmls with header (not only the drop down htmls). Please help.

============_form.html.erb=============================

<%= select( "project", "id", { "abc" => "1", "xyz" => "2"}),:onchange=>"getComboA(this)"%>

        function getComboA(sel)      {           var value = sel.options[sel.selectedIndex].value;           $.get("/users_projects?id="+value,function(data) {           alert(data);           $("#user_1").html("<label>User Details</label>"+data);           });      }

=============Task Controller=================

    def users_projects         @projs = ProjectsUser.find_all_by_project_id(params[:id])         @users=         @projs.each do |pro|         @users<<User.find(pro.user_id)         end     end

===========users_projects.html.erb================

    <%if !@users.blank?%>     <%=select_tag :user_id,options_from_collection_for_select(@users, "id", "email")%>     <%end%>

When I am alerting data I am getting the below htmls inserting before select tag of team members <html> <head>   <title>TaskManagement</title>   <link href="/assets/style.css" media="screen" rel="stylesheet" type="text/css" /> <link href="/assets/validationEngine.jquery" media="screen" rel="stylesheet" type="text/css" />    <script src="/assets/highcharts.js" type="text/javascript"></script>    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js&quot;&gt;&lt;/script&gt; <script type="text/javascript" src=" http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.14/jquery-ui.min.js&quot;&gt;&lt;/script&gt;

  <script src="/assets/application.js" type="text/javascript"></script> <script src="/assets/jquery.validationEngine" type="text/javascript"></script> <script src="/assets/jquery.validationEngine-en" type="text/javascript"></script> <script src="/assets/rails.validations" type="text/javascript"></script> <script src="/assets/rails.validations.custom" type="text/javascript"></script> </head> <body>

<select id="user_id" name="user_id"><option value="4">nithins@gmail.com</option></select>

</body> </html>

ruby rails wrote in post #1078321:

You need to specify to render without the outer layout in your controller:

render :layout => false

Walter