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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><head><meta http-equiv="Content-Type"
content="text/html; charset=utf-8"
/><title>无标题文档</title><style type="text/css">*{padding:0; margin:0;}#main{margin:0px;}.smallPic{ width:202px; height:202px; border:1px
#b7b7b7 solid; text-align:center; float:left; margin-right:5px; position:relative;}.smallPic .mouse{ width:50px; height:50px; position:absolute; left:1px; top:1px; border:1px solid
#ccc; display:none;-moz-opacity: 0.8; background:#fff; opacity:.80; filter: alpha(opacity=80);}.bigPic{ width:302px; height:302px; border:1px solid
#b7b7b7; text-align:center; float:left; display:none; overflow:hidden; position:relative;}.bigPic img{ position:absolute; left:0; top:0;}img{ margin-top:1px;}</style><script type="text/javascript">window.onload = function
(){ var
magnifier = function
(){ this.main = document.getElementById("main"); this.smallPic = this.main.getElementsByTagName("div")[0]; this.mouseBlock = this.smallPic.getElementsByTagName("p")[0]; this.bigPic = this.main.getElementsByTagName("div")[1]; this.displayBigPic(); } magnifier.prototype = { displayBigPic : function
(){ var
_this = this; this.smallPic.onmouseover = function
(ev){ var
oEvent = ev || event; _this.bigPic.style.display = "block"; _this.mouseBlock.style.display = "block"; _this.mouseBlock.style.left = oEvent.clientX - _this.mouseBlock.offsetWidth / 2 - _this.main.offsetLeft + "px"; _this.mouseBlock.style.top = oEvent.clientY - _this.mouseBlock.offsetHeight / 2 - _this.main.offsetTop + "px"; } this.smallPic.onmouseout = function
(){ _this.bigPic.style.display = "none"; _this.mouseBlock.style.display = "none"; } }, } var
a = new
magnifier();}</script></head><body><div id="main"> <div class="smallPic"> <p class="mouse"></p> <img src="images/small.png"
/> </div> <div class="bigPic"> <img src="images/big.png"
/> </div></div><br></body></html> |
原文：http://www.cnblogs.com/xy404/p/3657687.html