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function swap(newImage) 			{			// step 1 : Fade out the picture (uses Script.aculo.us)			new Effect.Fade(document.zoom, {delay: 0}) 						// step 2 : Change the content (while hidden)			var fileName = newImage.toString() 			document.zoom.src = fileName 						// step 3 : Fade in the new picture (uses Script.aculo.us)			new Effect.Appear(document.zoom, {delay:2}) 			}