format-detection yes

  <!--[if IE 6]>         <html lang="ja" class="ie6"> <![endif]-->
  <!--[if IE 7]>         <html lang="ja" class="ie7"> <![endif]-->
  <!--[if IE 8]>         <html lang="ja" class="ie8"> <![endif]-->
  <!--[if IE 9]>         <html lang="ja" class="ie9"> <![endif]-->
  
など