widget show/hide function

gistfile1.txt

$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
	$.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
		options = options || {};
		var hasOptions = !$.isEmptyObject( options ),
			effectName = options.effect || defaultEffect;
		options.complete = callback;
		if (options.delay) {
			element.delay( options.delay );
		}
		if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
			element[ method ]( options );
		} else if ( effectName !== method && element[ effectName ] ) {
			element[ effectName ]( options.duration, options.easing, callback );
		} else {
			element.queue( function() {
				$( this )[ method ]();
				if ( callback ) {
					callback.call( element[ 0 ] );
				}
			});
		}
	};
});