鼠标移到图片上变大显示而不是放大镜效果

ToopTip.js: 代码如下: function getViewportHeight() { if (window.innerHeight!=window.undefined) return window.innerHeight; if (document.compatMode==’CSS1Compat’) return document.documentElement.clientHeight; if (document.body) return document.body.clientHeight; return window.undefined; } function getVie