兼容IE FF的getElementsByTagName方法

View Code 
 // 兼容IE FF的getElementsByTagName方法
      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;
      }
 
 getElementsByName("div", conName);