checkbox 全选的有关问题

checkbox 全选的问题

HTML code

<input type="checkbox" id ='select' name="game_dic_key[0]"  ></td><input type="checkbox" id ='select' name="game_dic_key[1]" ></td><input type="checkbox" id ='select' name="game_dic_key[2]"  ></td><input type="checkbox" id ='select' name="game_dic_key[3]"  ></td><input type="checkbox" id ='select' name="game_dic_key[4]"  ></td><input type="checkbox" id ='select' name="game_dic_key[5]"  ></td><input type="button" value="全选" onclick="selectall();">  <script language="javascript"> function selectall(){      for(var i=0;i<=100;i++){          var key='game_dic_key['+i+']';        var selectclick=document.getElementsByName(key);         selectclick.checked=true;     }   }   </script>

JScript code

 function selectall(){      for(var i=0;i<=100;i++){          var key='game_dic_key['+i+']';        var selectclick=document.getElementsByName(key);         selectclick[0].checked=true;     }   }