比较方便的onMouseWheel缩放图片效果[原创]_图象特效

  
  
  


<script> <BR>function bbimg(o) <BR>{ <BR> var zoom=parseInt(o.style.zoom, 10)||100; <BR> zoom+=event.wheelDelta/12; <BR> if (zoom>0) o.style.zoom=zoom+'%'; <BR>} <BR>function addthis() <BR>{ <BR>var e=window.event?window.event:e; <BR>var srcE=e.srcElement?e.srcElement:e.target; <BR>if(!srcE) return; <BR>//author:reterry(dxy) www.jb51.net欢迎转载，转载时请写明出处。 <BR>if (String(srcE.tagName).toLowerCase()=='img'){ <BR>//alert('好'); <BR>bbimg(srcE) <BR>} <BR>} <BR>function backthis(){ <BR>var e=window.event?window.event:e; <BR>var srcE=e.srcElement?e.srcElement:e.target; <BR>if(!srcE) return; <BR>//author:reterry(dxy) www.jb51.net欢迎转载，转载时请写明出处。 <BR>if ((String(srcE.tagName).toLowerCase()=='img')&&(window.event.ctrlKey)){ <BR>//alert('好'); <BR>srcE.style.zoom='100%'; <BR>}} <BR>document.onmousewheel=addthis; <BR>document.onmouseout=backthis; <BR></script>


鼠标滑轮滚动查看效果，Author:reterry(dxy) www.jb51.net欢迎转载，转载时请写明出处。
按住ctrl键然后鼠标从图片上移开，图片可恢复原始大小