Fancybox v2在第二次点击时失败

I have a site that uses the ajax option of Fancybox v2 to display certain bits of information such as the help, contact information, etc. I have noticed a problem with it, however, where it works fine on the first click but generally misbehaves on subsequent clicks - the actual pop-up window may appear briefly and then disappear, or it may never appear at all, and the overlay may load two or three times so that it takes several clicks to clear it.I have a site that uses the ajax option of Fanc