How to make div transparent cross browsers?

How to make div transparent cross browsers?

.transparent

{

   filter:alpha(opacity=45); 

   -moz-opacity: 0.45; 

   opacity: 0.45; 

}

How to detect control key in Javascript

    $('body').live('keydown', function (e) {

         if (!e.ctrlKey) return;

    })

ASP.NET GZip Encoding Caveats - Rick Strahl's Web Log

ASP.NET GZip Encoding Caveats - Rick Strahl's Web Log