修正IE下document.getElementsByName无法获取DIV标签

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>document.getElementsByName</title>
<style>
div{
    width: 100px;
    height: 100px;
    border:1px solid red;
}
</style>
</head>
<body>
<div name="odiv">div1</div>
<div name="odiv">div2</div>
<div name="odiv">div3</div>
<div name="odiv">div4</div>
<div name="anotherdiv">AnotherDiv</div>
<script type="text/javascript">

</script>
</body>
</html>

原文参看：http://www.cnblogs.com/bluedream2009/archive/2009/07/24/1529799.html

/*------------------针对IE内核的做了下调整---------------------*/

//处理IE下getElementsByName获取DIV内容
   var isOpera, isIE = false;
   if (typeof(window.opera) != 'undefined') {
       isOpera = true;
   }
   if (!isOpera && navigator.userAgent.indexOf('Internet Explorer')) {
       isIE = true
   };
   if (isIE) {
       var getElementsByName = function(tag, name){
           var returns = document.getElementsByName(name);
           if(returns.length > 0) return returns;
           returns = new Array();
           var e = document.getElementsByTagName(tag);
           for(var i = 0; i < e.length; i++){
               if(e[i].getAttribute("name") == name){
                   returns[returns.length] = e[i];
               }
           }
           return returns;
       }
       //alert(getElementsByName("div","mright").length); // IE:4 FF:4
   }

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