Flip Maps Bookmarklet

Bookmarklet Source Code:

javascript%3A%2520var%2520_cur%3D%2520%22%22+window.location%3B%2520if%2520%28_cur.search%28/http%3A%5C/%5C/maps.goog/i%29%2520%21%3D-1%29%2520%7B%2520var%2520_url%2520%3D%2520document.getElementById%28%27link%27%29%3B%2520function%2520gup%28%2520name%2520%2C%2520u%29%2520%7B%2520name%2520%3D%2520name.replace%28/%5B%5C%5B%5D/%2C%22%5C%5C%5C%5B%22%29.replace%28/%5B%5C%5D%5D/%2C%22%5C%5C%5C%5D%22%29%3B%2520var%2520regexS%2520%3D%2520%22%5B%5C%5C%3F%26%5D%22+name+%22%3D%28%5B%5E%26%23%5D*%29%22%3B%2520var%2520regex%2520%3D%2520new%2520RegExp%28%2520regexS%2520%29%3B%2520var%2520results%2520%3D%2520regex.exec%28%2520u%2520%29%3Bif%28%2520results%2520%3D%3D%2520null%2520%29%2520%2520%2520%2520return%2520%22%22%3B%2520else%2520return%2520results%5B1%5D%3B%7D%2520lurl%2520%3D%2520%27http%3A//www.bing.com/maps/default.aspx%3Fcp%3D%27%2520+%2520gup%28%27ll%27%2C%2520_url%29.replace%28/%5C%2C/%2C%27%7E%27%29+%27%26lvl%3D%27+gup%28%27z%27%2C%2520_url%29%3B%2520void%28window.open%28lurl%29%29%3B%7D%2520else%2520if%2520%28_cur.search%28/http%3A%5C/%5C/www.bing/i%29%2520%21%3D%2520-1%29%2520%7B%2520eval%28%27var%2520_xxx%2520%3D%27+%2520document.getElementById%28%27MapControl_MapControl%27%29.value%29%3B%2520gurl%2520%3D%2520%22http%3A//maps.google.com/maps%3Fll%3D%22%2520+_xxx.C.Latitude%2520+%22%2C%22+%2520_xxx.C.Longitude%2520+%2520%22%26z%3D%22%2520+%2520_xxx.Z%3B%2520void%28window.open%28gurl%29%29%3B%7D%2520else%2520%7B%2520alert%28%27This%2520script%2520only%2520works%2520on%2520maps.live.com%2520or%2520maps.google.com%2C%2520check%2520http%3A//dev.robertmao.com%2520for%2520update.%27%29%3B%7D