title: Detect if page is from a mobile device?
body: <p>How do i know if my webpage (asp.net) is being loaded from a mobile device? I want to apply mobile.css instead of normal.css. I consider a mobile device all phones, psp/ds/wii, itouch and ipad could go either way.</p>
  
  <p>I dont know if i am choosing the css by headers server side changing the css file or if i should use JS or something. How do i do this?</p>