diff --git a/ui/jquery.effects.clip.js b/ui/jquery.effects.clip.js
index 14b358dfae7..dbf0d36c923 100644
--- a/ui/jquery.effects.clip.js
+++ b/ui/jquery.effects.clip.js
@@ -17,47 +17,52 @@ $.effects.effect.clip = function( o ) {
 	return this.queue( function() {
 
 		// Create element
-		var el = $( this ), 
-			props = ['position','top','bottom','left','right','height','width'], 
-			mode = $.effects.setMode( el, o.mode || 'hide' ),
-			direction = o.direction || 'vertical',
-			ref = {
-				size: (direction == 'vertical') ? 'height' : 'width',
-				position: (direction == 'vertical') ? 'top' : 'left'
-			},
+		var el = $( this ),
+			props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
+			mode = $.effects.setMode( el, o.mode || "hide" ),
+			show = mode === "show",
+			direction = o.direction || "vertical",
+			vert = direction === "vertical",
+			size = vert ? "height" : "width",
+			position = vert ? "top" : "left",
 			animation = {},
 			wrapper, animate, distance;
 
 		// Save & Show
-		$.effects.save( el, props ); el.show(); 
+		$.effects.save( el, props );
+		el.show();
 
 		// Create Wrapper
-		wrapper = $.effects.createWrapper( el ).css({ 
-			overflow: 'hidden' 
+		wrapper = $.effects.createWrapper( el ).css({
+			overflow: "hidden"
 		});
-		animate = ( el[0].tagName == 'IMG' ) ? wrapper : el;
-		distance = animate[ ref.size ]();
+		animate = ( el[0].tagName === "IMG" ) ? wrapper : el;
+		distance = animate[ size ]();
 
 		// Shift
-		if ( mode == 'show' ) {
-			animate.css( ref.size, 0 );
-			animate.css( ref.position, distance / 2 );
+		if ( show ) {
+			animate.css( size, 0 );
+			animate.css( position, distance / 2 );
 		}
 
 		// Create Animation Object:
-		animation[ ref.size ] = mode == 'show' ? distance : 0;
-		animation[ ref.position ] = mode == 'show' ? 0 : distance / 2;
+		animation[ size ] = show ? distance : 0;
+		animation[ position ] = show ? 0 : distance / 2;
 
 		// Animate
-		animate.animate( animation, { 
-			queue: false, 
-			duration: o.duration, 
-			easing: o.easing, 
+		animate.animate( animation, {
+			queue: false,
+			duration: o.duration,
+			easing: o.easing,
 			complete: function() {
-				mode == 'hide' && el.hide(); 
-				$.effects.restore( el, props ); 
-				$.effects.removeWrapper( el ); 
-				$.isFunction( o.complete ) && o.complete.apply( el[ 0 ], arguments );
+				if ( !show ) {
+					el.hide();
+				}
+				$.effects.restore( el, props );
+				$.effects.removeWrapper( el );
+				if ( $.isFunction( o.complete ) ) {
+					o.complete.apply( el[ 0 ], arguments );
+				}
 				el.dequeue();
 			}
 		});