1411 		opacity: /^0.55/.test( a.style.opacity ),
6531 		opacity: {  property
6539 					return elem.style.opacity;
6697 if ( !jQuery.support.opacity ) {
6698 	jQuery.cssHooks.opacity = {
6709 				opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
6732 				filter.replace( ralpha, opacity ) :
6733 				filter + " " + opacity;
8391 					.animate({opacity: to}, speed, easing, callback);  property
8614 	fadeIn: { opacity: "show" },  property
8615 	fadeOut: { opacity: "hide" },  property
8616 	fadeToggle: { opacity: "toggle" }  property
8875 		opacity: function( fx ) {  method