ajhaupt7

// Cross browser opacity:
// opacity: 0.9;  Chrome 4+, FF2+, Saf3.1+, Opera 9+, IE9, iOS 3.2+, Android 2.1+ 
// filter: alpha(opacity=90);  IE6-IE8 
   
// Setting opacity
$( ".container" ).css( { opacity: .5 } );

// Getting opacity
var currentOpacity = $( ".container" ).css('opacity');