<asp:CheckBoxList ID="CheckBoxList1" runat="server" RepeatDirection="Horizontal" RepeatLayout="Flow" Width="280px"> <asp:ListItem>01</asp:ListItem> <asp:ListItem>02</asp:ListItem> <asp:ListItem>03</asp:ListItem> <asp:ListItem>04</asp:ListItem> <asp:ListItem>05</asp:ListItem> <asp:ListItem>06</asp:ListItem> <asp:ListItem>07</asp:ListItem> <asp:ListItem>08</asp:ListItem> <asp:ListItem>09</asp:ListItem> <asp:ListItem>10</asp:ListItem> <asp:ListItem>11</asp:ListItem> <asp:ListItem>12</asp:ListItem> <asp:ListItem>13</asp:ListItem> <asp:ListItem>14</asp:ListItem> <asp:ListItem>15</asp:ListItem> <asp:ListItem>16</asp:ListItem> <asp:ListItem>17</asp:ListItem> <asp:ListItem>18</asp:ListItem> <asp:ListItem>19</asp:ListItem> <asp:ListItem>20</asp:ListItem> <asp:ListItem>21</asp:ListItem> <asp:ListItem>22</asp:ListItem> <asp:ListItem>23</asp:ListItem> <asp:ListItem>24</asp:ListItem> <asp:ListItem>25</asp:ListItem> <asp:ListItem>26</asp:ListItem> <asp:ListItem>27</asp:ListItem> <asp:ListItem>28</asp:ListItem> <asp:ListItem>29</asp:ListItem> <asp:ListItem>30</asp:ListItem> <asp:ListItem>31</asp:ListItem> <asp:ListItem>32</asp:ListItem> <asp:ListItem>33</asp:ListItem> </asp:CheckBoxList>

(function($){ $.fn.imagecheckbox = function(options) { var defaults = { checked: "images/radio.gif", unchecked: "no_images/radio.gif", css: "on", hide_radios_checkboxes: false }; var opt = $.extend(defaults, options); this.each(function(){ var obj = $(this); var type = obj.attr('type'); var id = obj.attr('id'); if(!opt.hide_radios_checkboxes){ obj.css('display','none'); } if(obj.attr('checked')){ $("label[for='" + id + "']").attr('class',opt.css); }else{ $("label[for='" + id + "']").attr('class','out'); } $("label[for='" + id + "']").click(function(){ $("#" + id).trigger("click"); if($(this).attr('class') == opt.css){ $(this).attr('class', 'out'); }else { $(this).attr('class', opt.css); } }); }); } })(jQuery);

<script type="text/javascript" src="/scripts/imagetick.js"></script> <script type="text/javascript"> $(function(){ $("input[type='checkbox']").imagecheckbox({ // the selector can be a class as well checked: "/images/red.gif", onchecked: "/images/no_check.gif", css: "on" }); }); </script> <style type="text/css"> input{} label{display:inline-block;width:25px;height:22px;padding-top:3px;text-align:center;font:800 12px/150% arial;position:relative;left;-210px;} .on{background:url(/images/red.gif) no-repeat;} .out{background:url(/images/no_check.gif) no-repeat;} </style>