title: How to check user is fan (or not) of any page with javascript in my ASP.NET site (without fb app)?
body: <p>In my ASP.NET site, assume that I have facebook <strong>user_id</strong> and <strong>page_id</strong> and want to determine user like page or not. I found a samples with creating application, then check user like. I dont want that, firstly user login to application, then cheking. Can I check this without application? What should I do for this? Or other advice please.. If witout application it is not possible, so, how can I hide application login window? 
  <strong>I want user dont use any application,  dont know I check his likes.</strong>
  I need result like this: <strong>yes</strong> or <strong>no</strong>
  (Sorry for my bad english)</p>